Mobile apparently isn't the only focus for Yahoo, which picked up a digital scrapbooking site to turn its users into content curators.
What's the strategy behind Yahoo's spate of buyouts under new CEO Marissa Mayer? One writer says it's about building a map of all the people, places, and things its various customers are interested in.
Some say so. The site saw its traffic grow by 4,000 percent in just six months and is now the 10th-largest social networking Web site.