Yeah, I'm not saying network effects were non-existent... but it's hard to change your document format and lock your competitors out if every software update ha

Yeah, I'm not saying network effects were non-existent... but it's hard to change your document format and lock your competitors out if every software update has to be shipped physically on a floppy disk. The world is different now; platform network effects are much stronger because the platforms can adapt themselves on the fly to competitive pressures.