Game Mechanics 101


Users earn access to special offers or features that expire after a short time
On the Web: Sales at discount luxury goods retailer Gilt Groupe usually last 36 hours. The ticking clock creates a sense of urgency in shoppers


Sites dole out rewards to users who return at a predetermined time
On the Web: American Express cardholders can receive special deals by visiting the site Daily Wish at specified times three days a week

Badges & Trophies

Users get quirky, colorful emblems for performing specific actions
On the Web: The location-based smartphone app Foursquare gives out a "Fresh Brew" badge after users visit 30 coffee shops


Sites award points for completing tasks and rank high-scoring users
On the Web: At, the Philadelphia Inquirer's homepage, visitors earn points for viewing and sharing articles. High scorers appear in a "Top Fans" feature

Progress Bar

Sites display a gauge that subtly urges users to complete specified tasks
On the Web: The progress bar on LinkedIn, a social networking site for professionals, encourages new members to fill out their profiles and work histories

    Before it's here, it's on the Bloomberg Terminal.