Mixx Growing Fast, But Are They Really More Mainstream Than Digg?

Mixx Growing Fast, But Are They Really More Mainstream Than Digg?: "A screenshot from their Google Analytics account shows that the Digg-competitor is gaining traction, receiving over 5.8 million unique visitors last month. Compete (as usual) estimates lower numbers but shows a similar growth pattern, as does Google Trends. Quantcast seems to affirm the number of reported visitors as well."