"[2] Riya's CTO and co-founder, Burak Göktürk, had previously worked with computer vision technology and has filed for two dozen facial-recognition patents under his name.

[2] Like.com is planning to allow users to upload their own photos for the website to analyze and return similar-looking products.

They wish to also allow users to upload photos taken in places such as stores with a mobile device, so that they can search for the product online at a cheaper price.

[2] Bambi Francisco of MarketWatch described Like.com as "the next evolution of comparison-shopping engines, such as Google's Froogle, eBay's Shopping.com, EW Scripps' Shopzilla or Become.com and the next evolution in image search offered by the portals and search engines, Google, Yahoo, Microsoft's Live and InterActiveCorp's Ask.com.

"[3] Internet search engine giant Google Inc. bought the shopping comparison website, Like.com on Aug 23 2010.