The ____ phase of the SDLC involves gathering information on whether the system is meeting its objectives.

	planning
	implementation
	maintenance
	design

Social media information systems play a major role in fostering _____.

	hypersocial organizations
	click-and-brick retailers
	new sales channels
	voice-based e-commerce

In a case-based reasoning system, the CBS system _____ if there is no exact match between the new case and cases stored in the database.

	can query the user for clarification
	can request that the user reprogram the system
	automatically terminates
	designs a new solution