Mobile Content Bits: ChaCha Soars; MCN Interview; O2 Agrees To Short Codes

ChaCha hits one million: Mobile SMS search service ChaCha has signed up more than one million users, and has answered some 27 million queries since its January launch, according to the company. According to Nielsen Mobile, ChaCha is the fastest growing SMS search service, and had a seven percent share of the US mobile search market in Q2, tying it with Yahoo (NSDQ: YHOO). Users text or call a query into ChaCha