Confirmed: Yahoo! does get screwed by a regex bug
[Update: Compete has confirmed that it was a bug.]
[Context: My previous post]
I had earlier suspected that Yahoo! Searches are severely undercounted by Compete because of a regex bug. Now, my suspicion has been confirmed. Danny Sullivan of the SearchEngineLand has confirmed that those regexes were indeed given by Compete.
By some estimates, refinement queries constitute over
And when Larry Wall wondered whether a Perl bug could cause the next Wall Street crash, he must have been only half-joking!