Oklahoma Tornado Death Toll Lowered to 24 by Medical Examiner

At least 91 people were killed, including 20 children, after a mile-wide tornado flattened an Oklahoma City suburb

Yahoo! is buying blogging network Tumblr for $1.1 billion as CEO Marissa Mayer seeks to lure users and advertisers with her priciest acquisition to date. Take a look around Tumblr's NY offices

Spending on tech toys took off in the first decade of the 21st century, with personal spending on telephones experiencing a whopping 17 percent annual increase from 2000 to 2011

Box CEO Aaron Levie takes our inkblot test. Why the strong feelings about Google? Why does he admire Oracle's Larry Ellison? Dr. Freud, pick up line 1, please.

Art crimes today total as much as $6 billion a year globally. Click through for a luscious and alarming array of stolen beauty.