Entrecarders have long been wanting to be able to sell their credits online since Entrecard stopped their cashouts.
Since then, many entrecarders left the site feeling betrayed, since there was a program before wherein they could exchange their EC's for $1 per 1K (per thousand).
It is no doubt people (myself included) also grab this opportunity to make money online. After Entrecard was sold and the new management stopped the program, it has significantly affected the entrecard community. Though others left for some other varying reasons, one of which is the stopping of the cashout program.