Future research should move toward post-SMS advertising via mobile social media. A diverse range of applications may convert mobile advertising into a truly global medium. For example, popular online consumer review sites, such as TripAdvisor, Foursquare, Go wall, trip wolf, Virtual Tourist, and I go U go, may provide an interesting opportunity to explore mobile advertising in an international marketplace. These applications are location-based social media that help users connect with their friends on web or mobile applications and in so doing increase personal extensibility the main attraction is the offering of incentives such as a race for points and/or badges among users who earn them upon "check in" at certain venues or locations. Additionally, users can also earn "super user" status if they frequently check in at new venues or locations and enter information about them.