They could use SMS to their advantage and get a large group of people to assembly outside a designated point, say a large cinema theatre, then issue instructions to pay and enter the theatre, then all to sit down and watch the screen for, say, 98mins whereby the cinema will proceed to play the latest Hollywood blockbuster, Flash Gordon- The Accumulator (Part 7).
Hey, they could even give it a cool new name - Flashmobbing.
(or brainwashing )