Do you prefer organic food? Did you study in Mexico? Do you like red shoes? Such bits of information about Facebook users may seem insignificant in isolation but, once harvested on a grand scale, make the internet giant billions. Here’s how:
Do you prefer organic food? Did you study in Mexico? Do you like red shoes? Such bits of information about Facebook users may seem insignificant in isolation but, once harvested on a grand scale, make the internet giant billions. Here’s how: