I think that is the most important question. How many, or rather what percentage of the free users stayed on 2 weeks after the article? How much other press d

I think that is the most important question. How many, or rather what percentage of the free users stayed on 2 weeks after the article? How much other press did you get? When i look at at site (and a lot of Gen Y) I look for at least 3-4 pieces of "social proof"...Mashable would definitely be one, but i am looking for a handful other before i "buy". If i were you i would use the Mashable effect to parlay it into more press at other small/medium size outlets, That is how you could really get the most value out of the hit.