Language: All digital communications need a official language, which During this context is made of all the information which the sender and receiver on the digital interaction will have to each have, beforehand, for the communication to achieve success. Αν κάνεις διαφήμιση το κόστος το καθορίζεις εσύ, ανάλογα με το https://vng.gr/digital-marketing-attiki/