Is Yahoo fast becoming the Wile E. Coyote of the Internet — constantly crafting new blueprints when faced with adversity? On Thursday Yahoo announced its latest reorganization — its fourth in less than two years — with the aim of growing its audience and expanding its ad base. The new structure creates three teams that will report to President Sue Decker: an audience products division; a U.S. regional division and an insight strategy unit (to boost analytics). After rejecting Microsoft’s overtures Yahoo earlier this month struck an advertising partnership with search giant Google.