M-Pesa's track record clearly indicates that consumers in African countries are more than willing to use mobile payments, if offered on reasonable terms....
Square has built a sizable lead over its competitors, which keeps widening as the start-up is aggressively upgrading its products to appeal to larger merchants....
Having grown exponentially in the U.S. over the past year, Square has raised $200M at a $3.25B valuation to bankroll an international expansion later this year....