During December, all self-respecting search engines produce an overview of the most popular search terms of the past year.
These lists give insight into recent trends, and in 2011 Rebecca Black, Google Plus and Ryan Dunn were the fastest rising searches on Google.



Google traditionally remixes its logo to celebrate notable birthdays, scientific achievements, world events and other key date
This post is part of Mashable’s Spark of Genius series, which highlights a unique feature of startups.