We at Quantum1Net believes what needed is higher amount of data transaction and speed, lower power consumption and stronger security.
In addition to the above :
1. Easy to use even for those that are not literate enough to manipulate computers/smartphones
2. Zero or lower cost of transaction fee.
3. Stable price that is not easily affected and/or manipulated by a group of individuals.
I think some form of gas is fine, paying a minuscule amount, split equally between the miners and banks should be ok. With large transaction volumes, the sender won't notice but the volume will add to make it worthwhile for miners and profitable for banks.