Social games come and go but for now the buzz around SongPop continues. Today publisher <a target="_blank" href="http://www.freshplanet.com">FreshPlanet</a> <a target="_blank" href="http://www.prnewsw
<a target="_blank" href="http://www.facebook.com">Facebook's</a> push for more engagement on its platform, to drive advertising and other monetization efforts (and to counterbalance that <a target="_b