Shumeet Baluja (Google) and Yushi Jing (Georgia Institute of Technology) invented technology which allows to improve pictures search. In contrast to present-day search systems that analyze only description it can recognize picture. Thus significance of pictures will depend on its content not description. Developers tested this system and found out that it gave out better results that present-day Google picture search system gave. Besides it is known that Google has just developed special software for child pornography control.