appear.in is excelent for ad-hoc videocalls (especially with peolpe you don't have in your everyday chat client), but it's not very useful for people you freque

appear.in is excelent for ad-hoc videocalls (especially with peolpe you don't have in your everyday chat client), but it's not very useful for people you frequently contact, or for quickly upgrading a text-chat into a videocall.