This credit in turn when accumulated can be exchanged for advertising on other member blogs depending on how many credits are required to advertise on their blog. To gain credits is simple. You simply visit any entrecard member site and when you see their entrecard widget, you simply click on "Drop" and in seconds, it'll turn to "Thanks". That means your drop was successful. If you're already a member and would like to just buy any entrecard credits, you may do so. You may subscribe to the site Entrecard.com and buy credits there. If you are looking for cheap credits, you may also purchase from the Entrecard Marketplace or you can also click here to purchase credits for only $1.50 per thousand credits.