"SK Telecom" recently released their latest CF featuring their endorsement model, actor Kim Soo Hyun! For the CF, the actor transformed into a 'tweet jockey' under the name of 'TJ'. With a hairstyle reminiscent of John Travolta in 'Grease', and a sexy black leather jacket, Kim Soo Hyun showcased his masculine and sexy charms in full for the ad. His unique and funny tweet of "Song 3-Dong is where 3G is the fastest" also amused many viewers. Song 3-Dong is a neighborhood in Korea, which is pronounced as 'Song Sam Dong', also the character Kim Soo Hyun played in "Dream High". The actor will continue to work as an official SK Telecom tweet jockey starting on May 3rd.  Fans can expect direct communication with the star on SK Telecom's Twitter account (@sktelecom) every Tuesday at 11 AM KST for an hour. Check out the CF below! Source: Sports World via Nate