Shi Zhao (shizhao@gmail.com) is a member of Diigo and would like to send you an invitation.

To accept this invitation and register for your free account, please click and visit Create Account

If you haven't already heard about Diigo, it is both a powerful research tool and a knowledge-sharing community that allows you:

- to add highlights and sticky notes on any web pages, just as you can on books!
- to create and organize your personal digest of the web, and access and search it from anywhere.
- to create groups for collaborative research.
- to keep in touch with friends effortlessly and non-intrusively by sharing contents.
- to connect with others based on shared content and interests.
- to discover quality resources on any subject or get personalized recommendations.

We're still working every day to improve Diigo. We hope you'll like Diigo. We do. And, it's only going to get better!

Thanks

The Diigo Team

(If clicking the URLs in this message does not work, copy and paste the following link into the address bar of your browser: http://www.diigo.com/sign-up?i_key=bfb7447cd5899d6eb3524027559c12c9).