The race for content tracking - Femtoo vs Google

This recent ReadWriteWeb article highlights the growing importance of content extraction, tracking and notification:

http://www.readwriteweb.com/archives/google_reader_can_now_track_changes_on_any_web_pag.php#comment-183234

The official Google Blog post is here:

Follow changes to any website

Whilst the recently added site tracking feature of Google Reader is a s
tep towards Femtoo's goal of 'Internet as a data base' - it is clear that Google Reader is a far less sophisticated and generally less useful solution when compared with Femtoo.