Microsoft might have been doing all sorts of mean and sneaky things, but people used Windows and Office because of network effects, and those network effects were and are internal to each product. People used Windows because it had the software and people wrote software for Windows because it had the users, and that had very little to do with Office.
Dit is een kenmerkend probleem met veel software en diensten. Het netwerkeffect zorgt voor de lock-in. (Bron)