Also see:

• Related story from Hitwise: “Google Sets New High with 66% of US Searches in December“ 
• Nielsen Online’s version of search share (chart): “Share of Online Searches by Engine, December 2007“
• And expanded search data from comScore: “Google Leads Search Share with 58%, Yahoo Gains a Tad“

Note: ComScore’s qSearch 2.0 figures are based on the five major search engines, including partner searches and cross-channel searches. Searches for mapping, local directory, and user-generated video sites that are not on the core domain of the five search engines are not included in the core search numbers.