FeedTwit might be useful for a couple reasons I can see right away.
- You have a very specific RSS feed you want to be immediately updated on so getting it as a DM in Twitter would also send you a SMS (if you configured this)
- You want some @replies in Twitter to notify you right away, so FeedTwit converts them to direct messages
Now from there, you might end up with too much via DM and SMS. They do highlight another thing I didn’t think of right away, basically becoming a stalker mode.
Privately follow people on Twitter using their RSS feed. follow political figures in an account you use for business. follow your competitors without appearing to endorse them
That is a great way to use the service, if done for good 
There is some small Google ads on the bottom of the page, but not much else there. Since you are registering for their service and using public RSS feeds, you do not need to share your Twitter credentials at all with them.
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Filed under: Add-on Tools, direct message, RSS
Thanks for the nice review.
In fact, we are up and serving our loyal followers with all the RSS feeds they could desire.
You are welcome to come by and give us a try at any time
I just visited their website. This message is now posted there,
“Unfortunately the FeedTwit service has been shut down by my web host (just too popular).”
@SharonMcP