Android: Today's update to Google Goggles brings improved business card recognition to the search-by-photo app, streamlining the process of converting a colleague's business card into a digital contact. Goggles had biz card recognition previously, but it has gotten much better at turning cards to contacts since we first mentioned the feature.

Google Googles can perform neat tricks like solving Sudoku as well as performing image-based searches, but for now it only runs on mobile devices. However, you can access an archive of the pictures you've snapped in Goggles online.

Google Goggles has always impressed us with its ability to identify images and translate text. The new version 1.3 has an extra trick up its sleeve: take a picture of a Sudoku puzzle and it will solve it for you.

If you've ever been on a site and seen a screenshot with a really cool wallpaper, you no longer have to go searching for it yourself—reader jovke1994 reminds us that Google Goggles can do the searching for you.