I’ve been waiting for this to happen.

Phil Windley points out an online spreadsheet application.

It’s hosted, it’s free, and it works.

They have a “post this to my blog” link too, so you can post your spreadsheet to your blog:

I believe you have to be the owner of the spreadsheet to edit it and have it be persistant, but this opens up lots of possibilities.

One more step away from the desktop.