Chris & Eliz: Diigo i s now upgrading users who are educators with a free account - check out the features - you can sign-up students too ;0) - Fab! use your pester power ;0) get in touch and get your free upgrade!
What are Diigo Educator Accounts?
These are special premium accounts provided specifically to K-12 & higher-ed educators. Once your Diigo Educator application is approved, your account will be upgraded to have these additional features: