Traackr is a free web service that lets you aggregate data about your media presence on the Web. Just create an account, add your "subscriptions" (flickr username, last.fm username, etc.), and wait about 24 hours for Traackr to get statistics.

Each day Traackr will get information like number of views, comments, and ratings, with trend graphs to make the data pretty. It will also show you which of your tags get the most views (helpful for getting user attention). You can also create campaigns to track how well certain media objects are "performing" which could be very useful for a photographer to see how popular certain groups of photos are.

Traackr could be a great tool for musicians, photographers, videographers, and the ego-centric social-site user. It's a central location to see how popular you (or your work) are, and it gives you seemingly arbitrary "Buzz" and "Populartity" scores.

As we reported earlier, Yahoo! Buzz is now in public beta. Buzz is similar to Digg in that it lets users promote/demote ("Buzz") content to the top of the metaphoric hive. However, currently only publishers involved in the beta can have content submitted to the site, which makes Buzz (much) more restricted than Digg.

Yahoo says that they have "members of their team" choose promoted stories to appear on the Yahoo homepage, but they do not choose what appears on the Buzz site. Like Digg, Buzz uses an algorithm to determine a story's "Buzz Score" based on number of votes, number of times the story is shared, and the number of search results for the story's subject matter.

If you want to start Buzz-ing, you'll need a Yahoo account. Then, like Digg, click the voting button next to the story to promote a story. Oddly you can also submit stories directly to other social news sites (including Digg). You won't yet be able to view your voting history, and Buzz lacks "community features" like seeing what your friends have Buzz-ed. Oh, and you can't comment on stories on the Buzz site.

So if you want a featureless Digg clone with stories coming only from a specific set of sources, then try Buzz now! But hey, it's still in beta.

[Via PC Pro - Computer Buyer]

While Yahoo! fields merger/hostile takeover offers, the company's development team continues to push out new services. Today Yahoo! launched a retooled version of its video site. And Valleywag is reporting that the company will be launching a brand spanking new service on February 26th: A news and entertainment page featuring popular stories from around the web.

Yahoo! Buzz as it will reportedly be known will be something of a cross between Digg and Google Trends. Top stories will be chosen through a combination of user votes and popular search results.

But Digg has one thing that Yahoo! Buzz won't. At least not immediately. And that's a list of links from an unlimited number of web pages. Yahoo! Buzz will only feature links to about 100 web publishers at first. Eventually the company will reportedly open Buzz up to the Yahoo! Publisher Network, which means that anyone who sells Yahoo! ads on their site could be featured on Yahoo! Buzz.

While that might sound like a good reason for people to sign up for the publisher network, as incentive to get more social networking traffic, it also means that Yahoo! Buzz is by definition going to be more limited than Digg, StumbleUpon, or other social news and bookmarking sites. But this is all rumor and speculation at this point. It's possible Yahoo! Buzz won't be as limited as Valleywag suggests. Or maybe it's not even real.

If you go to buzz.yahoo.com today you'll find a page with top search results trends. But if Valleywag is correct, that site will be the future home of Yahoo! Buzz.