Mobile ad revenue estimates over the next four years range broadly - but all believe that the value of this market will be in the billions annually.
"Advertising is not just a straight move from the PC to the mobile phone," Marco Boerries, head of's mobile business, said in a keynote speech at the Mobile World Congress in Barcelona.
"We're trying to invent mobile advertising."
For mobile search, ChaCha's team is working to pioneer new models for mobile advertising that will deliver enhanced value to users. That's all I will mention on that... but expect more on that front from ChaCha in the coming months.