“Traffic is fairly generic and not as themed or targeted as places like Digg who seem to revolve around tech and politics.”I think you’ve got it backwards here. Stumble lets you categorize things you submit into fields like entrepreneurship, surfing, skateboarding, etc. You can select these as your specific interests.Digg on the other hand is very generic and things are only categorized into big categories like “Business and Finance” it’s hard to find stuff on marketing, or entrepreneurship or anything specific.Good post overall.