Minimum Usability Testing: Now there’s no excuse not to do it.

According to the author of the web usability bible “Don’t Make Me Think” Steve Krug, testing one user is 100% better than testing none and testing one user early in the project is better than testing 50 near the end. To that end, I’d like to suggest testing 5 or 10 more often and found a couple of services that make it possible.