Link: http://www.dlib.org/dlib/july08/hagedorn/07hagedorn.html

Imagine researching a topic in the biggest library in the world, with access only to the book titles.

It's a crude analogy, but a warning for everyone--particularly scholars--not to rely too heavily on Google.

A recent study published in D-Lib Magazine (July/August 2008) found that fewer than half — just 44 percent — of a sample group of deep-Web pages from scholarly archives showed up in Google searches.

Read the article...