What to do when someone says the salam in a video or on a group chat? Do i say the salam back without typing? is it better to say it or to type it? Barakallahu feekum

Ustadh AbdulAziz al-Haqqan

A recorded salam in a video does not have to be returned, since the speaker is not greeting you live. A written salam in a chat is answered by typing or by saying i.