thousands take part in silent disco `` flashmob '' at Facebook 's Trafalgar Square station . `` We get satisfaction from coming up with an awesome idea and making it come to life , '' he writes on the group 's Web site . ` Event , which imitated phone company advert , was organized over London . 22-year-old organizer now planning a bigger flashmob event in Liverpool Street .
thousands take part in silent disco `` flashmob '' at Facebook 's Trafalgar Square station . Event , which imitated phone company advert , was organized over London . 22-year-old organizer now planning a bigger flashmob event in Liverpool Street .