IVR:  Interactive voice response surveys are used to collect consumer responses on customer service & product offerings through an automated telephone system.

IWR:  Interactive web response surveys are used to collect consumer responses on customer service & product offerings through an internet page, web link or email.

Mystery Shopping:  Mystery shopping is the practice of using trained shoppers to anonymously evaluate customer service, operations, employee integrity, merchandising, and product quality.

Customer Intercepts:  Customer intercepts aim to intercept customers or potential customers in their natural environment and deliver a short structured questionnaire on their habits, preferences, perceptions or behavior.