Providing an online directory information service featuring information regarding classes and activities, namely pilates, spinning, yoga, and other fitness classes and experiences; providing consumer information about class locations, times, type, teacher, price, value, and other qualifiers such as mood; providing a website where users can post reviews on services of others for commercial purposes; providing a website featuring on-line registration services for instructional exercises and other fitness-related classes; providing a website featuring social connectivity for users where users can share comments, photographs, and other information with each other and see what classes they have booked; providing a website featuring a marketplace where users can buy fitness-related products posted by other users