The infamous "facebook login" search has some interesting correlations: http://correlate.googlelabs.com/search?e=facebook+login&t=weekly http://correlate.google

The infamous "facebook login" search has some interesting correlations: http://correlate.googlelabs.com/search?e=facebook+login&t=weekly http://correlate.googlelabs.com/search?e=facebook+login&... Also, there seems to have been a huge drop-off in this search over the last few months.