Zynga, Xbox, Adele, 'Titanic,' Angry Birds, more on this week’s top 20 growing Facebook pages

Several Zynga games made our list of top growing Facebook pages this week, with several of them growing by the millions in what seemed to be a page consolidation effort. There were several other pages on the list that also seem to have grown as a result of consolidations, as well as popular brands such as Xbox and Facebook, and popular musicians such as Adele and Bruno Mars. Pages on our list this week grew from between 630,300 to 6.5