Klout Now A Content Hub?
Klout has been around for the last couple of years and is probably best known for its "score". Using a number of different metrics it calculates each person's overall "influence" across social networks and assigns a
500px Offering Discounts Based on Klout Scores
Image via CrunchBase Online photo sharing site 500px has launched a special offer in conjunction with Klout. Using your Klout "score" you can either signup or upgrade your 500px account and get a discount.
