Yahoo announced Friday it has bought an Israel-based startup specializing in streaming high-quality video to computers and mobile devices. Yahoo did not disclose financial terms of the deal to acquire RayV, which will become part of the California companys research and development team in Tel Aviv. The (RayV) team lives and breathes video, and have become industry pioneers, Yahoo said in a Tumblr post. This deal demonstrates our dedication to accelerating our video strategy and boosting our underlying technology infrastructure in the space.