Here are some uses for DM that I have experienced:
- I participated in a tweetchat and someone wanted to contact me offline to discuss a new idea they had. I DM'd them my phone number. Obviously, I didn't want the entire Twitterverse to have my cell phone number (and sorry, you're not getting it here either).
- A friend of mine saw that I checked in on foursquare very late at night at a local hospital. She DM'd me to see if there was anything she could do to help.
- Another friend of mine, DM'd me to make sure it was OK to feature me on their blog. Of course I said yes!
OK, Twitter pros. What else should our new friends to Twitter know about DMs?