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....
Kenya has undergone a revolution since 2007, causing start-ups to use M-Pesa as "a base for their business" and Nairobi to become the "Silicon Savannah"....