Operational intelligence {Ans: Business analytics that deliver insight into data, streaming events, and business operations.}System testing {Ans: Tests the functioning of the information system as a whole to determine whether discrete modules will function together as planned.}Crowdsourcing {Ans: Using large Internet audiences for advice, market feedback, new ideas, and solutions to business problems; related to the wisdom-of-crowds theory.}Business-to-business (BB) {Ans: Electronic sales of goods and services among businesses.}Intelligent agents {Ans: Software programs that use a built-in or learned knowledge base to carry out specific, repetitive, and predictable tasks for an individual user, business process, or software application.}Advertising revenue model {Ans: Website generating revenue by attracting a large audience.}