Melia Robinson/Business Insider San Francisco’sSalesforce is expanding its headquarters into Seattle, co-CEO Marc Benioff announced Monday. Following its $15.7 billion acquisition of Tableau, announced Monday, Salesforce will grow its footprint in the Washington state region, where both Amazon and Microsoft are headquartered. Salesforce already has around 1,000 employees in Bellevue, Washington, and it will grow […]