Google cofounders Larry Page and Sergey Brin. Ben Margot/AP Images Google is known for its collection of wildly popular products, from search to maps to Android.

But not everything the company touches turns to gold.

Google Glass was supposed to change the world, but it quickly became a punch line. And remember Google Buzz?

Now, Gchat is the latest in a string of discontinued Google products.

Here's a look at some Google products that are now relics of the past: