Entrecard is up for sale as indicated on the Entrecard blog and sitepoint.com. I remember reading an Entrecard blog where a member posted this question.
Guttu Asks - “If Google wants to buy Entrecard will you sell it?”
Graham’s response - “Will not sell. My vision for Entrecard is so massive that it will take perhaps my [...]

It was a well thought out concept with great vision, but a bad start with constant outages, excuses and no plan in place for scalability. Entrecard just committed suicide yesterday by changing the rules of their forum.
The Entrecard forums are by far the best value this startup has to offer, and there not state-of-the-art, far [...]

There are many social networks on the internet that you can get an incredible amount of referral traffic and Propeller has that potential. The heavy hitters are StumbleUpon, Reddit and Digg, but Propeller is gaining popularity and moving up the food chain of social networks.
You can join groups and submit your stories to hundreds of [...]

The concept and idea of Entrecard is one that took a lot of intelligence, planning and energy. Entrecard is not only for the beginner blogger, but also for veteran bloggers.

Entrecard’s greatest value is the forums. You can post marketing and promotional topics and pay members with Entrecard credits to Comment, Stumble, Digg, Reddit, and sell [...]