iLike, the music service with a massive following on Facebook and increasing popularity elsewhere, has introduced full-song playback on its flagship site, iLike.com. Through its partnership with music subscription service Rhapsody, the site will be offering over 5 million songs from all of the major labels and a variety of indie artists, too. In conjunction with the launch of full song playback, the site is also launching a new self-serve ad platform for concert promoters. [MORE]