One of the great things I've realized while using Google Wave is that "Subject" lines in emails and blog posts really serve very little purpose.  They're ornamental leftovers from a bygone era where you had to scan book covers on a shelf for titles you were interested in.  Wave just uses the first paragraph of the wave as the title in the inbox, and I love that.  It even automatically bolds it for you so it looks like the first paragraph in this post.

Thanks to Twitter I've realized that It's next to impossible to have a meaningful discussion in 140 characters, but it's a great way to make you summarize what you want to say in a very concise way.

In fact, using the first paragraph as the subject forces you into the habit of providing an actual good summary opening paragraph like you were taught in school.  Even nicer is that in Wave you can update the opening paragraph to reflect the content of the conversation as it changes, so the "title" is never out of sync with the content--which happens ALL the time in email.

Besides that, I would love it if each blog post out there summarized itself in a sentence or two at the top.  I would love to subscribe to summaries only and then read the entire post if it was something that really intrigued me--right now all I have to work with is this useless little nubby post title.

On another note, I wonder what it will do to Google if I start using really long page titles like this.