"Although they restricted themselves to one drink at lunchtime, Howard and Tom still found they were not at their most productive in the afternoons."
Thanks to Darren at work for sharing this.
Here's a really good post from Kathy Kam on the .Net BCL Team that covers a lot of different things you can do with string.Format.
Update: Formatting Dates from Kathy Kam.
Update: And yet another great reference post.