Kleiner Perkins Caulfield Byers

Amazon.com Inc. and Facebook are among partners in a $250 million fund run by venture capital firm Kleiner Perkins Caufield & Byers that will support entrepreneurs creating social-media applications and services.

Al Gore's latest eco-treatise, Our Choice: A Plan To Solve the Climate Crisis, is set to hit stores Tuesday. The former vice-president says he will donate 100 percent of the proceeds from the book to the the Alliance for Climate Protection, a green group. But it turns out that the book money is...