Is Twitter getting possessive of its own name? Maybe.

A developer building an application using Twitter's API was told via e-mail that Twitter took issue with the user interface of his application, allegedly very similar to Twitter's own, as well as his use of the word "tweet" in the application's name.

If any class of financial-services firm should have become extinct in 2008, it's the hedge fund. Hedge funds bled $154 billion in 2008, according to Lipper Hedgeworld, with 1,500 hedge funds closing shop, as reported by The New York Times.

Considering that it's based on Mozilla Thunderbird, it was a bit of a surprise that add-ons weren't available for Postbox when it debuted. That's now been remedied in Postbox beta 13 for Windows and Mac. Given Postbox's emphasis on social-networking technology and Mozilla's own success with add-ons, this move puts the e-mail client in an excellent position to attract more users.

Twitter is in the process of rolling out a new user interface update to its users. This update focuses on Twitter's Following and Follower pages. In addition to a better looking list, Twitter has added more social actions to the page, including @replies, direct messages, and mobile update subscription. An extra collapsed "List View" has also been added to the traditional "Expanded View" and makes for a much more readable and quickly scannable page.

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