list.it

Via Simon Graham, an interesting research project on information scraps developed as a collaboration between Southampton (m.c. schraefel) and MIT (David Karger; one of the MIT students is Michael S. Bernstein, no relation) and called List.It:

The Latitudinal Information Scrap Trapper that Indexes Things - is a small, simple note-keeping tool for solving a big, complex task -- helping you manage the tons of little information bits you need to keep track of each day.

It’s a Firefox 3 plug-in; as far as I can see, it has about the power of the desktop sticky application.