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           __   __     _____     ___      ______  
  ____     \ \\/ //   / ___//   / _ \\   /_____// 
 |    \\    \ ` //    \___ \\  / //\ \\  `____ `  
 | [] ||     | ||     /    // |  ___  || /___//   
 |  __//     |_||    /____//  |_||  |_|| `__ `    
 |_|`-`      `-`'   `-----`   `-`   `-`  /_//     
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Text this: Profit Maximization for Viral Marketing in Online Social Networks