DM News: New campaign by GM gives away 1,000 cars

General Motors started a $50 million campaign to promote its brands in the U.S. with the "Hot Button" program. The first step sent out a direct mail piece to six million consumers nationwide and will include television, print, Internet and public relations. On the Hot Button site, U.S. consumers have the chance to win one of the 1,000 cars GM will give away.