[plamenv]

The only thing a site like this can "streamline" is the weeding out of the truly incompetent people, pretending to be programmers. But I'd argue that it's not a very hard task anyway. So, while solving the challenges will be fun for the applicants, it doesn't seem like the service would be of much help to the companies.

[reinhardt]

Weeding out the truly incompetent people may not be hard but it's time consuming nonetheless. A phone screening may take anywhere from 30 to 60 minutes of the interviewer's time, regardless of the interviewee's competence. Multiply this with the number of candidate a company has to wade through for a single opening and it gets significant real soon.

They're probably not the new LinkedIn but I think they're into something.