In the battle over tablet market share, Apple has always held the trump card of a more complete and engrossing ecosystem. However, Amazon.com (NASDAQ:AMZN)  has upped its game with the introduction of "Coins" -- a virtual payment system that could encourage gifting and inspire new development among app makers and content providers. Could these coins pull customers deeper into the growing Amazon ecosystem? If so, this could be good news for investors.

Jason Moser owns shares of Amazon.com. The Motley Fool recommends Amazon.com and Apple. The Motley Fool owns shares of Amazon.com and Apple. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.