Imagine you have a big, complex task to complete, but it's too much for one person to handle alone. So, you decide to break the task into smaller parts and ask your friends to help you. Each friend takes care of their assigned part independently, and when everyone finishes their part, the entire task is complete.

When was the last time you WhatsApped someone? In all likelihood, the answer is probably not that long ago. First released in 2009, WhatsApp quickly became the default setting for instant messaging in much of the world. By 2014, it defined the market so much that it was acquired by Facebook – and it has pretty much remained a leader in the chat space ever since.