Zynga Lanches Frontierville, a Wild West Farmville

Zynga's just revealed its latest tool to sucker you in to spending hours "casual gaming" on Facebook: Frontierville--a revamped, updated version of its Farmville app. But is this really a reminder of how fickle the casual gaming biz is?

Over at Venturebeat they're labeling Frontierville as the most "elaborate" title from Zynga yet. It'll be extremely familiar to the millions of players of the older Farmville title, and is essentially the same core game set in a different context. Your farm is...