This infographic is a tiny bit confusing, but has lots of great information about Google's acquisitions in 2011. Here's how it's organized:
Events are laid out in a psuedo-calendar format for each month, flagged by country and shaded to indicate win or loss. The change in stock price is also shown for the actual day of each event, but even though this implies the event's impact to stock price, there are always many more factors driving price changes. Events are connected by colored lines to indicate on-going events and the related division of Google's business.
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