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Tale of the tape: Apple v. Android on Black Friday

Apple continues to pull more than its weight in the mobile retail slugfest -- a nice place to be when you've just introduced a new mobile payment system that makes impulse shopping even more friction free.

The chart above is from IBM Benchmarks, the only analytics outfit that's posted this kind of detail about Thanksgiving and Black Friday sales.

Below: IBM's minute-by-minute fever chart of U.S. online sales for the last three Black Fridays.

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Link: IBM Digital Analytics Benchmark

Follow Philip Elmer-DeWitt on Twitter at @philiped. Read his Apple (aapl) coverage at fortune.com/ped or subscribe via his RSS feed.

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