It`s easy !

Try it first with user "guest" , password "welcome" !

As a member you can collect marks and web links by topics.
Simply copy any link from your browser`s navigation line
or bookmark list to the field "Link" on your left menu!

The new link falls into your selected topic...

Looking at your web page through e-marked, you can
mark any text passage or word.
As soon as you refresh the page, you can click on your
marks and add comments (called "annotations").