RockYou And Zynga Both Announce New Funding Rounds

Over the past 24 hours, two of the largest Facebook application developers, RockYou and Zynga, have announced relatively large funding rounds. RockYou raised a whopping $50 million and Zynga raised $15.18 million. What are these rounds going toward? RockYou is apparently turning their attention toward the booming social gaming space and expanding their advertising efforts, while Zynga is most likely stocking up on cash to help build out their ever expanding portfolio of popular games.