When you save a Word file in your Google Drive folder on a PC or a Mac, you can access that file on the Google Drive website but when you click on it online, it opens in Google Docs.

FORBES: More Thoughts On Google Drive - A Hybrid of Cloud Storage and Computing

And if you want to send pictures of the new baby to grandma via the Internet, save the shot in a graphics file and attach it to e-mail -- no need to buy a scanner to input regular 35mm prints.

CNN: The Proof Is in the Pixels

Recording companies complain that the decline in music sales in the past few years (save for a small uptick in 2004) is due largely to illegal file-sharing.

ECONOMIST: Peer-to-peer