This Stream Spigot tool lets you read Twitter updates in a more manageable fashion. Just pick the Twitter list or usernames you'd like to generate a digest for, and you will see all updates made by them during the past full day (GMT). At midnight, a new set of updates rolls over.

3. Copy and paste the following blocks into a tweet, email, or anyplace else. Extra points for creativity!

Post to Twitter is a Safari 5+ extension for Mac users. This extension, with Twitter for Mac, makes your Twitter experience on the Mac, I think, a whole lot better.

Finally, a way to share your flickr photos with
tweetie 2

Skip the image services like twitpic or yfrog. Keep your photos right where they belong, on flickr

I wanted it to post the title of the page as well. I took a quick look at the code for the bookmarklet, and came up with the following replacement. This will post to Twitter in the following format:
Document Title: Link.

The easiest way to publish your content to twitter, directly from your RSS feeds