Who is leading the mobile payment race? There are several players competing today. PayPal started the revolution 15 years ago, and Apple Pay, Android Pay and Samsung Pay have joined the fray. Many newcomers are entering this space on a regular basis. The traditional money space has undergone change with innovations like debit cards and ATM machines. Though they took a while to catch on, they eventually transformed the way we interact with banks and money. Mobile Pay is expected to offer explosive growth opportunities.