Blogger - Famous online weblog
Picasa - Digital Photo Organizer
Hello - Share photos online, post images to Blogger
GmailFS - provides a mountable Linux filesystem
Soople - Cool web front end for all hidden features of Google search
GMail POP ...
POP for GMail sounds cool right ? That's a site for helping you out.
Disclaimer: I haven't tried it.
For some reason, the permalink of related posts on this archive don't work. Most of the above is from there.
And, then there's rumor about a browser, operating system, search engine for files on local machine, instant messenger, ...