Meanwhile, Twitter still will continue its strategy of inking music-related deals with other firms. It is hosting a trending playlist station for iTunes radio and is offering 15 playlists from #Music for Rdio. Twitter's hiring plans hint at the direction the soon-to-be-public company is heading in when it comes to music. Replacing its artist relation's executive Tatiana Simonian, who left Twitter to join Nielsen, Twitter selected former Topspin Media SVP Bob Moczydlowsky as a replacement. In doing this, Twitter moved away from an executive that deals with those that contribute the actual music, and has hired an executive who is known for creating products.