• Gigaom, Wednesday, September 21, 2011 3:32 PM

In what may be a first for PBS, the channel will debut the first episode of "Prohibition," a three-part series by noted documentary-maker Ken Burns, on the iPad and iPhone starting Sept. 23.

Burns says a big reason for this kind of launch was timing, to tie into all the buzz around the first episode of the new season of HBO's "Boardwalk Empire," set in Prohibition-era Atlantic City, N.J.-- though we don't really understand this reasoning. Couldn't the doc have debuted on live TV and still made that time deadline?

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