Google has a new Favicon, which it unveiled over the weekend. If you're not familiar with the term, a Favicon is a small image that appears in a browser bar or tab, next to the title tag and/or URL, depending on the browser you use.
Here's Google's new Favicon:
It's based on a submission by a computer science undergraduate student at the University of Campinas in Brazil named AndrÃ© Resende. Here's Resende's original design:
Here are some honorable mentions, which also incorporate the letter G and Google's famous use of primary colors:
by Hadi Onur Demirsoy
by Lucian E. Marin
by Yusuf Sevgen
Google Favicon Bookmarks the Best Internet Research