What is the fine-grained topic of the following text: SUNNYVALE, CALIFORNIA AND BARCELONA, SPAIN – February 25, 2013 – Rambus Inc. (NASDAQ: RMBS), the innovative technology solutions company that brings invention to market, today unveiled breakthrough binary pixel technology that dramatically improves the quality of photos taken from mobile devices. Only return the topic.
Rambus Inc.'s unveiling of breakthrough binary pixel technology for improving photo quality on mobile devices.