A new book, “Like: The Button That Changed The World,” delves into the convoluted story behind a symbol that’s become both ...

Around the same time, Hot or Not — a site that solicited feedback on the looks of people who shared photos of themselves — began playing around with ideas that helped inspire the Like button ...

Around the same time, Hot or Not — a site that solicited feedback on the looks of people who shared photos of themselves — began playing around with ideas that helped inspire the Like button ...

Around the same time, Hot or Not — a site that solicited feedback on the looks of people who shared photos of themselves — began playing around with ideas that helped inspire the Like button ...