Facebook says Yandex violated part of terms of service regarding use of data in a search engineFacebook has become awfully stringy with its all-important friend data lately, cutting off a number of apps that it has cited as having violated different parts of its terms of service. So far, Twitter's new VIne app, Yandex's new app called Wonder  and mobile communications service Voxer have all been stopped from accessing said data. Now comes word that, after speaking to Facebook and discovering ... [Read more]