Bing is on a roll. Yesterday, it released Bing Entertainment and a new iPhone app . And today it is following up with an update to its mobile web search at http://m.bing.com

The simple bookmarking tool, Instapaper , is easily one of the best apps available for the iPhone ( and iPad ). It’s perhaps the perfect way to keep track of and manage online posts (especially long ones) that you want to read later on a mobile device.

As you’ve undoubtedly heard, one of the big new features of the iPhone 4 is FaceTime, the video chatting functionality.

In terms of the hardware, one of the only completely new features on the iPhone 4 is the gyroscope. It’s so new, in fact, that third-party developers haven’t had a chance to play around with it yet because they didn’t have access to the iPhone 4 hardware until today (or at least two days ago ).

Facebook’s performance advertising system provides buyers with a wealth of targeting options, but not the depth of control or analytics to effectively take advantage of the opportunity. To allow companies to build more powerful tools for managing Facebook ads, the company began allowing a select few developers access to an ads API last fall. Here we’ll explain the functionality and strengths of the different products built on top of the ads API, beginning with Techlightenment’s  Alchemy .

Facebook’s rapid growth and regular product changes — especially around privacy — have brought new attention from politicians and regulators in the US and around the world. So the company, which as been gradually filling out a team of public service veterans over the years, has good reason for its latest hire today.

GetGlue, a social browsing assistant that shows ratings and recommendations of movies, books, restaurants, stocks, and more on the web, is going mobile today with the launch of a free iPhone app. You can find the app here. With the new app users can to check-in to their favorite shows, music, movies and books, and see what their friends are enjoying in real-time.

U.S. comScore video metrix stats are out today, with the number of video viewers rebounding in the month of May

June has not been a good month for Linden Lab, the creator of virtual world Second Life. A few weeks ago, the company announced that it was laying off 30 percent of its staff and taking Second Life into a new direction. Today, Linden Lab is announcing that current CEO Mark Kingdon (pictured here) is stepping down

Today, the FTC settled a lengthy investigation into Twitter’s lax security practices and protection of user accounts after two high-profile hacking incidents in 2009. The first one, which occurred in January, 2009 , compromised 35 high-profile accounts, including those of President Barack Obama, Bill O’Reilly, Britney Spears, the Huffington Post, and Facebook. According to the FTC: One tweet was sent from the account of then-President-elect Barack Obama, offering his more than 150,000 followers a chance to win $500 in free gasoline