By Nic Fildes Last.FM, the London-based music-recommendation internet site, has been snapped up by the US media giant CBS for [pound]140m in cash, the largest-ever acquisition of a UK social networking company. NordicTrack®, the leading home fitness brand, announces its sponsorship in the Ragnar Relay Wasatch Back, June 22-23, 2007. With a record-setting 37,000 participants this year, the Wasatch Back has become one of the largest relay races in the nation. Runners are happy to run from Logan, Utah all the way to Park City, Utah knowing a portion of the race proceeds will go to the charity Operation ...SAN JOSE -- Apple Inc.'s iTunes Store started selling thousands of songs without copy protection Wednesday, marking the trendsetting company's latest coup and a model for what analysts say will likely become a pattern for online music sales.