Bangkok--26 Nov--Wall Street Institute Wall Street Institute (WSI), the leading English language school in Thailand, unveiled today its ‘Friends Refer Friends’ campaign. With this exciting new campaign WSI is giving away free classes, video watches, stylish Canon Ixus cameras, iPods and other super cool gadgets. The concept is simple: refer someone and get cash or prizes. The top prize: a round trip flight plus accommodations for 3 days and 2 nights in Hong Kong, valued at over Baht 25,000! This campaign runs until December 31, 2007. For more information about WSI’s special promotion, please drop by all 5 locations at your convenience: Sukhumvit, Silom, Union Mall Lad Prao, Siam Tower and the Major Pinklao or call 02 660 3000.