.@BokuPayments CEO Stuart Neal says the original thesis for the £400 million company came out of FarmVille: "The original thesis for Boku...was observing consumers playing social games on what was then the Facebook platform, things like FarmVille and Zynga." "It struck the founders that actually it was a bit of a faff...if you're in the middle of a game and you're looking to level up or buy a virtual sword...to go and find your credit card in the middle of that to make a 50-cent…