Mixx.com is a social news site that seems to have everything going for it. It's got more and better features than Digg, it's been integrated into the websites of a healthy list of huge mainstream media websites and, for the developers out there, it's got one of the most interesting APIs available today.

For some reason, though, it doesn't have much traffic. Mixx will issue a report tomorrow summarizing progress since work began on the site one year ago. The company is releasing traffic stats that show a nearly 3X increase in visitors in May. The surprise after all this good news? Fewer than 1 million people visited Mixx last month, less than 5% of the traffic that competitor Digg saw. Given the circumstances, Mixx's glaring lack of success to date calls a number of things about this industry into question.

Mixx functionality is now baked into the websites of USATODAY, LATimes, CNN, NYTimes, Reuters, NPR, Slate, Weather.com and an unknown number of blogs. The company has taken investment from the LA Times, undoubtedly a part of why all th