You are the only IT employee for a small startup. You need to provide email address to all employees at the startup as soon as possible and with minimal effort. What type of cloud model is best suited to this situation?
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Answer Description
Software as a Service (SaaS) is a cloud model focused on provide a specific functionality to it's users without those customers needing to worry about infrastructure, networking, configuring servers, etc. Most internet based services fall into the SaaS category. Examples of email SaaS providers are Google Gmail, Yahoo Mail, Hotmail.com and Outlook.com.
Wikipedia
Software as a service (SaaS ) is a software licensing and delivery model in which software is licensed on a subscription basis and is centrally hosted. SaaS is also known as on-demand software, web-based software, or web-hosted software.SaaS is a business model specific to cloud computing, along with infrastructure as a service (IaaS) and platform as a service (PaaS).SaaS apps are typically accessed by users of a web browser (a thin client). SaaS became a common delivery model for many business applications, including office software, messaging software, payroll processing software, DBMS software, management software, CAD software, development software, gamification, virtualization, accounting, collaboration, customer relationship management (CRM), management information systems (MIS), enterprise resource planning (ERP), invoicing, field service management, human resource management (HRM), talent acquisition, learning management systems, content management (CM), geographic information systems (GIS), and service desk management.
SaaS has been incorporated into the strategies of nearly all enterprise software companies.
Software_as_a_service - Wikipedia, the free encyclopedia 
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