"Google, the Naked Emperor," by Roy Tennant, from this week’s Library Journal.
The upshot: Google relies on search algorithms that do some things very well and other things (say, finding brand new web pages or even finding the last entry in the web index) very poorly. Google is just not in the business of providing information the same way Dialog is, so we need to keep these limitations in mind when searching to fill patron requests. Now let’s say it all together: "Hmmm . . . something to think about."