Providing a website featuring information on exercise and fitness; providing a website featuring non-downloadable videos and audio recordings in the field of exercise and fitness; providing customized, interactive physical fitness training services via electronic communication networks; Downloadable computer software featuring exercise and fitness programs; downloadable computer software for developing and monitoring personal activity and exercise plans and training goals; downloadable computer software for creating customized exercise and fitness instruction and programs; downloadable software for detecting, storing and reporting physical activity levels; downloadable computer software for monitoring physical activity, performance, goals and progress during exercise; downloadable audio and audio-video recordings featuring exercise and fitness routines; downloadable audio and audio-video recordings featuring music for use during exercise and fitness programs; Customizable exercise equipment in the nature of a wall-mounted bracket attached to a digitally controlled pulley for weight resistance; Customizable exercise equipment in the nature of weight resistance exercise machines; exercise machines, namely, automated electro-mechanically controlled resistance training machines and parts therefor sold as a unit; Printed publications in the field of exercise and fitness, namely, books, handouts, workbooks, and instruction guides; Online social networking services