I want my website visitors to be able to purchase and download videos (without DRM) from my website. These are not technical users and I want to minimize support with videos that won't play for whatever reason. What format should I use for the videos?
WMV can be played by all Windows PCs, about 20% of Macs, and many Linux systems. MP4 will play on all Macs but only some Windows and Linux machines. Anything else is worse.