It used to be that if a link was worth sharing, people would bookmark it for all to see on del.icio.us. Now, they just Twitter it (with a shortened URL). Wouldn’t it be nice to be able to separate out all the Tweets with links in them, and sort them by time or popularity? That is what MicroPlaza does in a nutshell.

MicroPlaza is still in a very limited private beta, but I have 100 invites for TechCrunch readers. Once you log in, you are presented with a stream of headlines, along with everyone who Twittered the link to that page. You can see a personal timelime made up only of links from people you are following on Twitter, or a public timeline to see what everyone is linking to. Each timeline has its own RSS feed.

A message on the German O’Reilly community blog indicates that the Web 2.0 Expo Europe, an annual event held in Berlin, Germany, has been suspended for this year in the face of the worst economic downturn in decades. (translated version here) The event, co-produced by O’Reilly Media and TechWeb, had been running for only two years.

Web 2.0 Expo Europe was widely known as an outstanding event for the European tech community with a host of excellent speakers, but like many companies O’Reilly and TechWeb are feeling the sting of the declining economy and are being forced to make difficult decisions. Obviously, this is bad news for European entrepreneurs and startups.

We’re still trying to get an official comment at this point.

Facebook launched Facebook Ads in November 2007 to give brands and businesses a way to create a presence on Facebook and interact with users. Starting next week, says a source with knowledge of the new product, those pages will be substantially redesigned.

Today there are countless pages (example) that highlight brands. These pages are free to set up, and the Facebook sales team then encourages those brands to buy Facebook ads that point back to the pages. The brands get users who become fans of the page and maybe leave a wall comment. Facebook gets ad dollars, and users never leave the Facebook site.

Those pages include standard Facebook features like a Wall for user comments, a News Feed showing changes and updates to the page, and places for photos and videos to be uploaded. Many advertisers also spend a great deal of money customize the page with applications and widgets showing off various products as well.

Look for a much more streamlined look to Facebook Pages next week though, with a multitab interface very similar to what Facebook launched to users in 2008. The default view will show the Wall (which may include negative comments unless they are routinely deleted). All the custom apps will be pushed to a second Boxes tab. The Pages will also likely mirror the look of normal user profiles, with an image in the top left corner, etc.

JPG Magazine, the innovative photography magazine that was composed of user-submitted photographs and shut down last month, has been revived. The magazine’s assets have been acquired by a group of investors who will also continue to employ some of the magazine’s staff, we’ve confirmed with a source with knowledge of the deal.

JPG launched in late 2006 with the novel idea of cutting back on publishing costs by accepting user-submitted photos and relying partially on the community to edit the magazine. But despite reaching near-profitability, the periodical announced that it was shutting down on January 2nd when its parent company 8020 Media ran out of money. Within a few days it became clear that JPG might still have life, as a number of potential buyers including Smugmug entered talks, but until now the future of the magazine was in limbo.

Tonight Ning will introduce new chat functionality, giving Ning network administrators the oft-requested ability to integrate a rich chat environment similar to the one launched on Facebook last April. Ning’s new chat system is Flash-based, presenting users with a persistent chat bar along the bottom of their screens as they browse through a Ning network. Users have the option of chatting through an interface at the bottom of their screen, or can ‘pop-out’ their chats into their own windows. While the interface will remain consistent across each network, users won’t be able to chat with members outside of the Ning network they’re currently browsing.

Ning originally introduced a more basic chat feature last summer, but that version uses either dedicated chat pages or sidebar iFrames, which means they aren’t always visible as users navigate through a network. But even the basic version has proven to be very successful – Ning’s chat traffic has skyrocketed, as seen in the Compete graph below pitting Ning’s IM domain against Meebo’s homepage. To be fair, the graph probably doesn’t take into account Meebo’s traffic that occurs offsite (like Meebo’s Community Chat product or its chat widgets), but it’s clear that Ning Chat is rapidly gaining traction.

Tomorrow’s Cloud Computing Roundtable is sold out. But we have good news. For those of you who can’t join us in person, we will be live-streaming the event. Thank you to Sun Microsystems for sponsoring the roundtable stream (powered by ustream and camera work by FutureWorks.) Tune in on TechCrunchIT or Sun.com/cloud

TechCrunchIT editor Steve Gillmor and I will be grilling our panel of cloud-computing heavyweights about where we are with this technology and where we need to go. As Gillmor wrote in a post on TCIT:

Short term, cloud computing will slip in as a cost-saving rationale. Near term, the social clouds will expand across workgroups, across business domains, and finally cross-cloud. Then the Golden Age of the Cloud will occur, where applications and services only possible in that environment will guide the next wave of business architecture.

On Friday, the dialogue will be about when, not if. When did cloud computing begin? How far are we into the cycle? Is cloud computing a baby or an old man in diapers, and are we going backwards or forwards so fast that we can’t tell the difference? Or are we and cloud computing meeting in middle age, each ready for the other?

I am also happy to announce the startups who will be giving the main demos prior to the roundtable and the panel of judges who will be evaluating them. Here are the companies and what they will be showing off:

A super-secret Digg toolbar has been spotted in the wild. We tracked down a beta tester who gave us the skinny on its features. The toolbar lets you Digg or Bury the page you are on, and shows how many Diggs it has already received. There are also links to show related pages, as well as more pages from the same source voted highly by the Digg community or marked as up and coming.

Then there is the “Random” button which works like StumbleUpon. It takes you to a randomly-generated page based on your past input and overall Digg voting. By the prominence of this button, it appears that is a feature Digg will be trying to highlight. Users can also share the page via Facebook, Twitter, or email via icons at the top. A drawer slides down to expose additional functionality.

Now, here where it gets interesting. For each page, the toolbar creates a shortened URL similar to TinyURL or bit.ly that starts instead with http://digg.com/. . . followed by a six-character code such as “http://digg.com/d1gVha.” When you share a page via Twitter or Facebook, it is that shortened URL which is used. And in fact, for the beta testers, the toolbar can be wrapped around any page simply by sticking “http://digg.com/” in front of any URL, which then gets converted into a shortened version.

Well, that didn’t last long. HP’s Upline, a backup service that offered unlimited storage for $59/year, is closing its doors. Since launching last April, Upline has faced issues with extended downtimes – a pretty major offense for a backup solution. But it’s likely the ultimate reason for the shutdown is that Upline was never really able to get much traction in a crowded space with very little in the way of differentiation. That said, there’s clearly money to be made in online storage, as evidenced by Hitachi’s recent acquisition of storage and backup solution Fabrik this week and EMC’s $76 million acquisition of Mozy in 2007.

Below is the letter sent to HP Upline users, who will have until March 31 to download their files. In a classy move, it looks like HP is going to refund any fees customers have paid for the service.

While there may still be a lot of confusion surrounding the future of AOL, that didn’t stop the folks in Northern Virginia from recently overhauling their popular AIM instant messaging app for iPhone (and iPod touch).

Available in two tasty flavors, free (”AIM Free”) and paid (”AIM Paid”), AIM 2.0 for iPhone now provides SMS notifications, has location-aware services, and supports multiple accounts (among other updates). It appears as though all of the application updates have been included in both the free and paid versions, with the major (and obvious) difference being the inclusion of ads in the buddy list of the AIM Free app.

Alaska Airlines has announced that they’ve started testing Row 44’s satellite-based Wi-Fi service on a handful of Boeing 737-700s. The first trial flight will take place between Seattle and San Jose (leaves Seattle at 2:20 PT today and returns on Flight 329 from San Jose back to Seattle) and the service will be free for 60 days. After today that aircraft will shift routes, which includes anything going up and down the West Coast and Alaska. No exact date has been attached to the trial (but I would assume it’s today or sometime this week) and pricing hasn’t been set, but I’d imagine it’s close to what VA or AA is charging for Aircell’s Gogo service. Now watch the boring video after the jump.

We’re live blogging this morning’s Facebook conference call, during which Mark Zuckerberg is planning to “announce the new steps Facebook is taking to improve user understanding and ownership of the Facebook terms of service and, more generally, the policies of the Facebook service”. The call begins at 11 AM PST.

To coincide with today’s call, Facebook has also announced that it is Opening Up Its Terms Of Service To Input From Users.

After the uproar that ensued when Facebook tried to change its terms of service a couple weeks ago, along with its subsequent backpedaling and public assurances that users own their data, the company is trying a different tack. It is inviting users to comment and contribute on proposed changes to its terms of service.

Facebook has posted a proposed set of Facebook Principles (reprinted below) and proposed Statement of Rights and Responsibilities. Members can discuss these proposals in two groups dedicated to each set of statements (here and a here, respectively).

Yahoo’s new CEO Carol Bartz is streamlining the company and picking which executives will remain on her team and which ones won’t. Chief Financial officer Blake Jorgensen will be departing, as will the head of Yahoo Mobile, Marco Boerries, among others. Getting a bump up are Ari Balogh, now CTO and head of all products, and Hilary Schneider on the advertising side, now head of North America. David Ko will be taking over mobile, reporting to Schneider interestingly enough rather than to Balogh. In her first blog post, Bartz writes:

So today I’m rolling out a new management structure that I believe will make Yahoo! a lot faster on its feet. For us working at Yahoo!, it means everything gets simpler. We’ll be able to make speedier decisions, the notorious silos are gone, and we have a renewed focus on the customer. For you using Yahoo! every day, it will better enable us to deliver products that make you say, “Wow.”

In addition to getting rid of unnecessary layers of management (and, oh boy, does Yahoo have plenty of that), Bartz also says that she is going to get the company to pay more attention to its customers and to burnishing its brand. To that effect, she is creating a “Customer Advocacy” group to speak for the customer inside Yahoo, and she promises to clarify “what the Yahoo! brand stands for. . . . Look for this company’s brand to kick ass again.”

Yahoo just embedded some Facebook functionality directly into its search results via SearchMonkey. When you search for a person on Yahoo, if they have a public Facebook profile, a link to that profile will appear in results, along with a photo and several actions you can take. these include adding them as a friend, “poking” them, sending them a message, and viewing their friends.

You can see how it looks like in the image above, which shows results for Yahoo marketing VP Raj Gossain. The blue links under his name are the actions you can take. These are similar to the deep links SearchMonkey added to Yahoo Search for Wikipedia results.

How much overlap is there between your Facebook “friends” and the real contacts in your mobile phone’s address book? If those two world’s align and you have an iPhone, you might want to check out a nifty utility called Photo Phonebook (iTunes link). It finds the matches between the people in your iPhone’s contact list and your Facebook friends and downloads their Facebook profile photos. (Right now, there is a limit of 100 photo downloads because of memory constraints on the iPhone, but the developers are working to fix that).

Next time a Facebook friend calls, their Facebook photo appears on your iPhone. It also appears in the address book. When your friends change their profile photos on Facebook, they change on your iPhone as well.

TechCrunch is hosting a Roundtable and Meetup in Warsaw on Thursday March 19, 3pm-6.30pm. “TechCrunchTalk Central & Eastern Europe” will feature an afternoon of panel discussions and some evening networking with CEE startups and the investment community. The event will be live video streamed. Please grab a ticket here. Read on for details:

There are no official statistics available as how well the iPhone sells after Apple started offering it in the Japanese market. Now Softbank Mobile, one of Asia’s biggest tech companies and the exclusive carrier for the iPhone in Japan, thinks sales need a boost and decided to give away the hardware basically for free.

Google has integrated Friend Connect with its weblog publishing service Blogger. Essentially, this enables people to start following (i.e. subscribing to) blogs using their Google, Yahoo, AIM or OpenID accounts and turns Blogger more into a social network than a straightforward blog publishing service.

Blogs that you follow will be listed in your Blogger profile and the integration will also leverage existing relationships, meaning you’ll be able to quickly see if your friends are also following those blogs.

With a comic message on its website saying that the service has gone away to enter the 36 Shaolin Chambers of Software Kung Fu but will return stronger, music discovery application Songbeat lets its visitors know that it has received a first blow in court after Warner Music (and other music labels) sued the German startup for enabling users to stream and download music without permission.

Songbeat essentially allowed you to scour the web for MP3s using integrated search for Seeqpod, Project Playlist, SpoolFM, iASK and more, stream tracks and even download them from a neat and fast desktop application.

This comes fresh off the heels of the news that Warner Music is suing Seeqpod and even a developer that was using the application’s API, which prompted us to write that they’ve reached a new low. It’s not getting any better today.

When we reviewed file-sharing service DivShare way back in October 2007, we were mildly impressed with its one-stop solution for storing, managing and sharing files. A month later, the service was put up for sale on an auction site which prompted us to deadpool it.

Fast-forward to January 2009, when the small startup behind DivShare was finally picked up by a group of internet veterans who started a new company called 3Sixty and aim to not only continue the service but also add some bells and whistles to it in the near future. The reason it took so long for DivShare to be acquired, so I was told, was because the service was doing well and making money and the owners just wanted to make sure it fell into the right hands and not sell it off to quickly and see it fade.