It's a law of nature: the more people you have in a WhatsApp group, the harder it is to come to a decision. Even trying to decide on the best time for that WhatsApp voice call you've been meaning to have for weeks can lead to a mess of proposals and counterproposals that soon get lost off the top of the screen. You end up scrolling back through reams of messages trying to find the pertinent information. It can almost be enough to make you want to leave the WhatsApp group in a huff.