Before we start on the 'why', first lets find out what is a poke? For beginners, poking is rather simple. It allows one to send a notification to someone on your friend's list
Today, Facebook turns 20 years old and in the last two decades, the site has changed a lot. So, what is the oldest Facebook version you remember? Read on to find out.
Why do people you've never met in real life add you to their Instagram Close Friends and Twitter Circles? It has a lot to do with how our brains are wired.