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| || | ||  \ \\/ // |      \\   / _ \\  | || | || 
| '--' ||   \ ` //  |  --  //  / //\ \\ | '--' || 
| .--. ||    | ||   |  --  \\ |  ___  ||| .--. || 
|_|| |_||    |_||   |______// |_||  |_|||_|| |_|| 
`-`  `-`     `-`'   `------`  `-`   `-` `-`  `-`

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發送短信 : Networks, crowds, and markets : reasoning about a highly connected world