With the term "cloud computing" rapidly being hyped everywhere, I did this little exercise on Google Trends to see how it fares against its predecessor "grid computing". Here's the result -- cloud is just about to overtake grid:
If we zoom in on cloud computing it looks like this:
We are at the very beginning of the hype-cycle, and not yet at the "peak of deflated expectations". If it were a stock, I'd say BUY for now."
For a slightly different view, here is software as a service (SaaS) versus cloud computing.