Author Archives: Denny Tsang

About Denny Tsang

Denny Tsang is a social media specialist who provides marketing operations support for EM Marketing. His expertise include video/web editing and production and social media publishing and tracking.
Foursquare

Foursquare

Foursquare is a geo-location application that lets the user “check-in” to locations and letting his or her friends know where…