Google rolls out Android Training development program; Zynga raises $1B;

> Google rolls out Android Training app development program. Article

> BT joins patent war against Google's Android. Article

> Zynga raises $1 billion in largest tech IPO since Google. Article

> Nielsen: 62 percent of U.S. smartphone owners download apps. Article

> MMA standardizes mobile ad unit sizes with new guidelines. Article

And finally... The year in volcanic activity. Article