Jack Slocum released his new comment system is based on YUI and features:
- Block Comments: A “Block” is any paragraph, image, title or code in a post. When you select a block to comment on, it is highlighted in blue
- Comments Throughout: Comments can be posted anywhere in an article. If you see something and you wish to comment on it, click on the comments bar directly next to it
- Viewing Comments: To view the comments posted by readers, click on the yellow indicator next to that “Block” on the comments bar
- Resize: The comment widget is flexible, so you can resize and move it around.

[via]