A Finnish company that works with mobile operators to provide users with app-based data plans said Tuesday it has been bought by Facebook Inc. The company, Pryte Ltd., said in a message on its website: "Today, we are delighted to announce that our team will be joining Facebook. Since we launched Pryte we have worked to reimagine the way mobile data works in an app-driven world, by enabling partnerships between app and content providers, and mobile operators." Financial details were not released. Pryte's website says it works with mobile services providers to provide their...