At the bottom of the page for Microsoft’s new tablet Surface , there is an odd little note: “Looking for the Samsung SUR40 with Microsoft Pixelsense? Visit www.pixelsense.com “.

“It embodies hardware and software working together. People want to work and play,” Steve Ballmer said today amid much fanfare at Milk Studios in downtown Los Angeles

We’re here at the Milk Studios in Hollywood for Microsoft’s big mysterious Los Angeles media event . The off-duty actors and actresses are offering champagne flutes, the tech journalists are ignoring them while making sure their laptops work, and the electronic music is pumping as we all wait to see what is in store. Rumors are pretty solid that it’s some sort of tablet device, perhaps with live-streaming capabilities and bookseller tie-ins .

Enterprise perks management platform ChoicePass has been acquired by Salesforce , according to a blog post on the company’s website. As a result of the acquisition, the team will be joining the Salesforce organization, and its website and operations will be shut down on June 30, 2012.

Sonos , the developers of a sexy, high-end wireless home audio system, has raised $135 million in funding led by private equity firm Kohlberg Kravis Roberts.

TechCrunch Disrupt is one of the most anticipated technology conferences of the year, and Startup Battlefield (Click here to apply ) is the very heart of the event.

Zygna’s  Bubble Safari  leads our list of top growing Facebook apps by monthly active users for the second week in a row. Titles on our list gained the most MAU of any apps on the platform, growing from between 500,000 and 7.2 million MAU, based on our  AppData  tracking service. Top Gainers This Week Name MAU Gain    Gain % 1

Do Klout Perks — where brands can offer special goods and services to users with the right Klout scores — work? Well, Klout is releasing some numbers suggesting that the program has considerable momentum

Facebook has launched the Explore London 2012 page in collaboration with the London 2012 Olympics to help users find and Like pages related to the games. Described as a way “to help everyone get the most out of the Games,” the dashboard includes links to the main Olympics pages, as well as those of athletes, national teams and sports

According to a new study by website monitoring service Pingdom , 24.3% of the top 10,000 websites in the world (as reported by Alexa) now feature some form of official Facebook integration on their homepages.