"One thing I learned the hard way with your Ning accounts too. You can only have one credit card associated with one Ning account. Therefore when I built another social network for someone else and bought some of the premium services I couldn't…"
"I've been on sites that use it, but haven't added it to any of my own. In the case of my blog for instance I'd rather let people just comment without having to login to Google, Disqus or whatever. That's typically how I've…"