Each of the two companies' approaches is perfectly sensible, but Square still has a sizable advantage over mPowa, just as it does over any other competitor....
The empire on which the sun never sets may be long gone, but British start-up mPowa aims to replicate its glorious past in the mobile payments field....
mPowa -- a British start-up that has just launched in the US -- thinks that we need another Square-like mobile payments service and it may have a point....