I was thinking about the various technologies that were heavily discussed in the forum over the last few years - forum members were concerned that they wouldn't catch on. Here's a few that I thought of: DVD's. Members thought they might not catch on with the general public. DTS. Ok...that one only sort of made it. Widescreen tv's. It's taken a while, but they've finally become mainstream. Surround sound. Who needs more than 2 speakers? DIVX. didn't make it! Any others?