Just started using the new web text editor/collaboration tool Draft and it is intriguing. I wish it weren't called Draft as 'Drafts' on the iPad and iPhone is my favorite and most used app currently. That pettiness aside, it really feels like Nathan Kontny is on to something. The ability to see the markup by others is far and away superior to google docs.
And he added a bookmarklet that allows you do use Draft anywhere you would write. For instance, this is a blog post to my Squarespace account. I went to my blog, clicked Add Post, then clicked on the bookmarklet. It opened a new tab and I'm actually typing this in Draft.
If you can read this, then it posted to Squarespace successfully!