The social casino games market is growing, and is now worth ore than $1.2 billion per year worldwide, but there’s been a change at the top. Zynga was recently passed by Caesar’s Interactive Entertainment as the leading publisher within the category according to research by Eilers Research. Caesar’s acquired Israel’s Slotomanie publisher Playtika in 2011 marking major its entry into the market. [Source: VentureBeat]