US firm to move main offices from California to San Francisco
Julie Shumaker to report to chief marketing and revenue officer Jeff Karp
'Many publishers simply weathered 2011' says Exent exec
Company changes hands again just ten months after acquisition
![Social studio RockYou 'to axe 55 jobs' [Update]](/static/images/news/39031/62_10625_184_9176_pr2351.jpg?i=1320314255 "Social studio RockYou 'to axe 55 jobs' [Update]")
Zoo World studio to be reduced to 90 staff
Top job filled at California-based social games company
Growing British Facebook game dev 'will retain creative control'
Personal IDs transmitted via social network's games and apps
RockYou offering a package of publicity and monetisation models
