With reference to "Software as a Service (SaaS)", consider the following statements : 1. SaaS buyers can customise the user interface and can change data fields. 2. SaaS users can access their data through their mobile devices. 3. Outlook, Hotmail and Yahoo! Mail are forms of SaaS. Which of the statements given above are correct ?

Option (d) is correct because SaaS platforms allow for significant configuration of user interfaces and data fields, provide seamless access across mobile devices, and include common web-based email services like Outlook and Yahoo! Mail as primary examples. The most tempting wrong option is (b), which candidates choose if they mistakenly believe SaaS is a rigid, non-customizable delivery model, whereas modern SaaS actually offers high levels of user-specific tailoring. This question tests the core concept of Cloud Computing service models and their functional characteristics.