This series was an experiment in social media - they were created specifically for people who "like" the Visio page on Facebook. There's a video tab for that page where these are posted, so I put them there several months before Visio 2010 was available. That way people who are interested could get a look at the new features early.

Was it successful? Not really. There was no way to get video metrics from Facebook, and few people left comments. So I posted them on YouTube also, because it's more likely that people will search there for Visio 2010 demos.