6:10 PM MicroMax. Spice. Tianyu. Those are a few of the hundreds of unknown small cell phone makers that sell more units than Apple, LG and Samsung combined - 153M phones - across the developing world. It's a wild, fragmented market where any number of today's tiny companies could be tomorrow's giants.

3:21 PM Yahoo (YHOO) sees the mobile market as key to improving its search share, and hopes to displace Google (GOOG) as Apple's (AAPL) search partner. NetMarketShare estimates Yahoo, which has struggled with search monetization issues, had a mere 5.6% of the mobile search market in August, compared with Google's (GOOG) 92%.