Scores.org have complied an image of Google’s Acquisitions over the past 10 years.
Research by Scores.org (click to view the full size image)
There are some well known acquisitions such as FeedBurner and YouTube, but many little hidden ones such as PhatBits (a widget engine) or Sprinks (a former PPC engine).
Let us know in the comments what software that you use that Google now owns.
Google Acquisitions on [Scores.org] via [Download Squad]