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Many of the stats and analytics available on the usopen.org Web site and the US Open iPad and smartphone apps are available -- and differently visualized -- on the giant touch screen IBM Game Changer Interactive Wall, where I started my tour. The Interactive Wall is available to all attendees of the US Open.
Just as the iPad App can show you customized Keys to the Match data for each player, so too can the Interactive Wall. Here we see that Andy Roddick was only winning 47% of "rallies" with 2 or fewer shots. To win the game, IBM's analytics said he should have been winning at least 56% of such points.
IBM performs a bunch of analytics on social media data and presents the results on the Interactive Wall. Here, you can see the relative percentage of positive tweets versus negative tweets for Serena Williams.