There are now hundreds of apps that allow you to message and video call your contacts (friends, relatives, colleagues) for free. Video calling is a great way to stay connected when you can't be together in person.
Zoom is an online meeting platform which surged in popularity during the Covid-19 crisis. It can be used to make 1-1 or group video calls from a computer, tablet or phone. Users can screen share, chat and use interactive features.