Weekly News Roundup for January 20, 2012

Each week Playerize publishes a collection of interesting and noteworthy news stories from the social and mobile gaming world. Please have a look at the weekly news roundup for January 20, 2012.

Facebook headed for its monster IPO in May, says report

SOPA: What it is and why gamers should be worried

REPORT: Advertising On Facebook Is Getting More Costly

Why and how gambling could infest all social games like a plague

Ad support for mobile video growing fast

Mobile games see most overall revenue from ads

Which Social Networks Had the Most Fans in 2011? [INFOGRAPHIC]

Vostu’s insights on retention patterns in social vs. casual games

Tablet and Smartphone Ad Impressions Have Skyrocketed a Combined 1,259% in the Past Year

Obama Says So Long SOPA, Killing Controversial Internet Piracy Legislation

Profiling the social gamer [INFOGRAPHIC]

Study: Facebook favors advertisers that stay on-site

Who Are Social Gamers? [INFOGRAPHIC]

Zynga Acquires Four Mobile Games Companies

Facebook updates app install dialog for user clarity

Zuckerberg on SOPA: 'We can't let poorly thought out laws get in the way of the internet's development'

Facebook Announces Tight Integration of 60 Apps to Timeline, More on the Way

EA PopCap sunsetting Baking Life after 22 months

Trion Worlds raises $85M for its online gaming platform business

Twitter picks up Summify social network aggregator

Facebook Actions opens new viral avenue for social games

Risk: Factions conquers this week’s list of emerging Facebook games

Zynga Confirms It Is Seeking Partners for Online Gambling Initiatives

Facebook Actions help Words With Friends, CastleVille et al go viral