Musical interlude: Jimmy Fallon, Robert Plant, Apple iPad

October 1, 2014, 2:10 PM UTC
Fortune

[youtube=http://youtu.be/Jz8KQWWaaRQ]

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A priceless bit of free advertising that illustrates nicely Apple’s advantage — as long as it lasts — in being first to market with profitable mobile app ecosystem. Thanks to The Loop’s Dave Mark for the link.

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