3. Overture Services. Inc.: $1.63 billion
After acquiring Overture Services in 2003, Yahoo began offering Yahoo Search Marketing.
It is a keyword-based “Pay per click” or “sponsored search” Internet advertising service.
Yahoo acquired Overture Services in 2003 for about $1.63 billion making the 3rd most expensive Yahoo acquisition in our top.
By acquiring the Overture Services Yahoo managed to rebrand many of its products under the Yahoo! name.
And Overture Services, Inc. is not an exception.