Zoho is launching Zoho Docs, an SAAS messaging and collaboration application enterprises can use as a data storage tool to store files created in Zoho Writer, Zoho Sheets and Zoho Show. The Web service is a differentiator from Google Apps, which does not have a similar file management app. - You know you're getting bigger as a productivity software maker when you have to create applications to support the work your users are doing with your existing productivity apps. Zoho, which notched its 1 millionth customer a month ago in August, has launched an SAAS (software as a service) ... ...