DocuSign Inc., a provider of electronic-signature services, raised $47.5 million in a financing round led by Kleiner Perkins Caufield & Byers and added Mary Meeker, a partner at the venture firm, to its board. Accel Partners and a large institutional investor joined in the funding round, San Francisco-based DocuSign said today in a statement. Comcast Ventures and SAP Ventures provided additional investment, joined by Salesforce.com Inc. (CRM) and the National Association of Realtors. Founded in 2004, DocuSign enables customers to gather legally binding, secure signatures over the Internet using cloud-based computing. DocuSign has 20 million users who have signed more than 150 million documents in 188 countries, and it adds 60,000 new customers each day. Read the full story at Bloomberg.