Yahoo Paid $30 Million in Cash for 18 Months of Summly Founder's Time - Kara Swisher - Media - AllThingsD

More on the Summly prince's princely sum

"Yahoo said it plans to close down the actual app and use the algorithmic summation technology that the 17-year-old D’Aloisio built with a small team of five, along with a major assist from Silicon Valley research institute SRI International, throughout its products.
While Yahoo did not disclose the price, several sources told me that the company paid $30 million — 90 percent in cash and 10 percent in stock — to buy the London-based Apple smartphone app."

Yahoo Paid $30 Million in Cash for 18 Months of Summly Founder's Time - Kara Swisher - Media - AllThingsD