“WhatsApp ticks stay Grey, instead of turning Blue”. What does this mean?

Many people use WhatsApp as their means of communicating with friends and family. You can share pictures, videos, and voice notes with other users who have a WhatsApp account.  Anytime you send a message to your contact, check-mark(s) usually appears, though this depends on your privacy settings. But what does this tick represent? For every … Continue reading “WhatsApp ticks stay Grey, instead of turning Blue”. What does this mean?