I have dropped way too many E cards and now I will see just how much they are really worth. I bought an ad on johnchow.com and johncow.com and they happened to be placed on the same day, being today. If you ever wondered if it is actually worth it to do the entrecard thing, or buy E card credits to advertise on other blogs, be sure to check back tommorow and I will let you know. I will do a full analysis of visitors, revenue, and tell you if it is worth it to even spend your time dropping E cards.