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ZDNet Reports on Yahoo!’s analyst presentation. In particular, they reproduce slide 12 of the 188 [12.2MB PDF] slide show which presents an increase in the average number of words per query over the past few years. The slide gives the following:
1998: 1.2 words
2004: 2.5 words
2006: 3.3 words
That is a fairly substantial increase. The pie graph from 2005 HitWise data shows that roughly half the searches are 2 words or less and that the other half of searches are 3 or more.
Voir l’analyse Yahoo ! Analyst day 2006