italki - How would you start a casual conversation in chat messenger like whatsapp? Start with "how are you"?

How would you start a casual conversation in chat messenger like whatsapp? Start with "how are you"? Would you use "what are you doing"? As I saw these catalogue in Cantonese drama, I wonder is it the common practice to do so. Thanks a lot :)

23 ธ.ค. 2020 ... How would you start a casual conversation in chat messenger like whatsapp ... As I saw these catalogue in Cantonese drama, I wonder is it the ...

อ่านต่อ