Best service! He brought us all around the city (me, my wife and my two kids!). He brought us some wifi. He gave us a lot of good tips and he even helped me to translate with Vodafone to get some service from them.
There is a nice little local pizzeria for 3$ Margerita pizza and a SuperMarket at 5 minutes walks. Train station to Napoli is about 800 metres. Easy to find.
Giorgo is the best !