Salesforce and Microsoft are the fastest growing CRM providers.

Read more here Gartner CRM Market Share Update: 47% Of All CRM Systems Are SaaS-Based, Salesforce Accelerates Lead
The worldwide CRM market grew 13.3% in the last year, from $20.4B in 2013 to $23.2B in 2014. 47% of total CRM software revenue in 2014 was generated from SaaS-based CRM applications. Salesforce (NYSE:CRM)…