Viacom Inc.’s MTV World has gone live with MTV Iggy, a global music brand connecting America with artists and pop culture from around the world. The company is anchoring the multi-platform experience at MTVIggy.com, which will be accessible to anyone, regardless of country or region.

Ashton Kutcher is one of the most high-profile tweeters, but it looks likely that he’s about to lose his position in the top ten of people with the most Twitter followers. He's not even close to Britney Spears, who just surpassed the 10 million follower mark.

YouTube Space Lab is challenging students aged 14 to 18 to design a science experiment that can be performed in space. The two winning experiments will be conducted aboard the International Space Station (ISS), with the proceedings live-streamed on YouTube.

Official.fm, the online music management platform for professionals and prosumers, has expanded its operations to the United States. It opened an office on each coast and brought on Lucas Gonze as chief technology officer, Jason Herskowitz as chief product officer, and Chuck Fishman as partnership relations director.

Online video technologies firm Ooyala launched Custom Analytics with Business Dimension Reporting, a new product that enables video publishers to access real-time information about the numbers, demographics, geographic location and other data about the audience viewing their content.

SoundCloud has gathered together some of its most intriguing users for a video project in which they share their perspectives and memories to explore why sound is so important to our lives. Among the participants are Moby, Imogen Heap and Martyn Ware.

Triton Digital is offering radio stations a free app that enables listeners to “check in” instead of phoning to enter contests or otherwise participate in promotions. Check In Radio is the latest in a drive to enhance the social capabilities of the services Triton Digital offers.

The Consumer Electronics Association (CEA) launched a new website designed to help tech-savvy consumers be more environmentally friendly. GreenerGadgets.org addresses the lifecycle of electronics products, with tips on how to buy green, live green and recycle electronics responsibly.

Country artist Hunter Hayes, whose self-titled debut is released today, incorporated technology from blippar to turn the cover into an augmented reality experience that unlocks videos, music and other multimedia.

CD Baby formally went live with its new MusicStore for Facebook, a new option for the independent musicians and labels who distribute downloads and CDs through the company, after soft launching last week.