If there wasn’t enough evidence already to show the growth of mobile search, Google announced last week that it was worth over $1 billion. Nice going. Google are at pains to point out that they are more than just a search company, using the success of Android as evidence. However, whilst there is no doubting the success of their mobile OS (now over 30% of the US smartphone market), the revenue comes from … well, it’s search advertising!

More on the report here, in Techcrunch: http://techcrunch.com/2011/04/14/google-q1-earnings/