It is entirely internal, largely hidden from public view, though not as hidden as we think (we act like nobody around us can see what’s on the private rectangle ... The like button has acquired ...

It depicted a prototype for a thumbs-up like button, made when Bob was the first employee at the review site Yelp. Today the ...

It depicted a prototype for a thumbs-up like button, made when Bob was the first employee at the review site Yelp. Today the like button can be found everywhere on the internet. It has transformed ...