Comment Trackback
One of the neat things about Facebook is its complete transparency. When a user comments on something, it’s displayed on their friends’ event list.
Sadly, the same can’t be said for blogs. If I comment on a blog, I’ll leave my email address and URL, but there’s no traceability on my blog. Readers of my blog won’t know that I found another post interesting enough to post a comment.
It would be nice if there was a trackback mechanism for comments. When I write a comment and submit my blog’s URL, I’d like my blog to be notified. After I okay the trackback, I’d like it to be available as a widget on my blog and (optionally) written to my blog’s general RSS feed.
Backtype sorta does this:
http://www.backtype.com/url/piepalace.ca%252fblog
http://www.backtype.com/url/erigami.myopenid.com
Also, Disqus solves the same problem, but in a centralized way (you can only track your comments on blogs that use Disqus).