Cloud Computing peaks in Gartner Hype Cycle Study
By vtatkar on Oct 22, 2009
Gartner's 2009 Hype Cycle is shown here. Some interesting trends among the 1600+ technologies they examined:
Cloud computing and Ebooks lead the pack among "Technologies at the Peak of Inflated Expectations"
Social software and Microblogging (Twitter, ...) have tipped over and are entering the trough of disillusionment
RFID and 3-D printing are on a track for being longer-term transformational technologies
Gartner Hype Cycle is explained here in greater detail.
If you dont want to buy the book, a simpler explanation is found in Wikipedia here.