SAN FRANCISCO - OCTOBER 23: An AT&T Blackjack II Windows Mobile phone by Samsung sits on display at the CTIA WIRELESS I.T. & Entertainment 2007 conference October 23, 2007 in San Francisco. The confernence is showcasing the lastest in mobile technology and will run through October 25. Getty Images logo Getty Images 55 months ago

SAN FRANCISCO - OCTOBER 23: An AT&T Blackjack II Windows Mobile phone by Samsung sits on display at the CTIA WIRELESS I.T. & Entertainment 2007 conference October 23, 2007 in San Francisco. The confernence is showcasing the lastest in mobile technology and will run through October 25.