The best possible fit would be a person with a creative mind and flexible mind.
The technical stuff can be taught and learnt. But to evolve and keep up with the pace of how technology improves day to day, you'd need some with flexibility to cope up with this and creativeness to make innovations.
Answer: No, because all you need is WiFi for both devices and a messaging app to do it for free like iMessage.
Explanation: Please correct me if I am wrong! :)