Congrats to former SXSW Interactive Festival speaker (and frequent TechCrunch contributor) Paul Carr on the publication of his new book: "The Upgrade: A Cautionary Tale of a Life Without Reservations."A reflection on Carr's nomadic lifestyle, this work recounts his adventures as he moves from hotel room to hotel room across the world—a practice that he has found to be more cost-effective than establishing a permanent residence in any one city.

Also, be sure to check out Carr's day-by-day travelogue spanning his month in Las Vegas, which served as a brilliant (and off-beat) promotional stunt for the new publication.

The Upgrade book cover design by Brian Roberts