I am a Bzzagent and being one I got the opportunity to try About.me.
About.me is a website that collects in one page all your social profiles in a single identity. This can be for personal use and professional. You have the option to personalize every aspect of it, and also make it easy for your contacts to connect with you in every social profile around the web.
Another thing is that for signing in they will give you fifty personal cards just pay s/h