Non succede solo da noi
Su Boing Boing ho trovato una cosa che può sicuramente servire alla Questura di Roma:
How do you estimate a crowd?
In the wake of last month’s massive antiwar demonstrations in San Francisco and Washington, DC, there was enormous controversy of the means by which crowd-sizes are estimated. San Francisco’s KQED ran an excellent phone-in panel on the techniques of crowd-estimation. Lisa Rein captured the program and has posted it in MP3, with annotations.
