Sadly, Skype is still used a lot. More than half of the emails I receive with a next step of communication proposal come suggesting Skype.
The only way to beat it would be to have another communication solution which can be used as simple as Skype is (for any age, technical literacy, etc.).
The only way to beat it would be to have another communication solution which can be used as simple as Skype is (for any age, technical literacy, etc.).