Widespread adoption of mobile payments among enterprises and consumers alike will take time. But when you\u2019ve got Apple, Google, Facebook, Samsung and (most likely) Microsoft jumping into the market, you\u2019ve got traction.\nForrester Research predicts U.S. mobile payments will nearly triple from $52 billion (in 2014) to $142 billion (by 2019).\nGartner expects \u201crampant interest\u201d in mobile payments this year and beyond, which will play a big role in driving U.S. mobile commerce to 50 percent of all digital commerce revenue by 2017, compared to 22 percent as of early 2015.\nAnother report, summarized by Statista, shows worldwide mobile payment volume growing from $325.2 billion in 2014 to $721.4 billion by 2017.\nDeloitte forecasts that by year-end, 5 percent of users with Near Field Communication (NFC)-equipped smartphones will make at least one in-store mobile payment per month. While that\u2019s a small percentage, it\u2019s a jump over the 0.5 percent of users who had made NFC phone payments as of this time last year.\n\nBenefits to Enterprises\nEnterprises stand to benefit from mobile payments in multiple ways. As mobile payments gain wider consumer acceptance, retailers, restaurant chains and others have an opportunity to make paying for merchandise easier and, at least to some degree, more secure.\nPlus, the growing use of mobile wallets can translate to greater use of mobile customer reward and loyalty cards. The data gleaned from those transactions can help enterprises more effectively and efficiently target promotions and learn more about customer preferences and habits.\nTop Players, Now and Potentially Later, in Mobile Payments \u00a0\nApple \nIn fall 2014, Apple Pay launched with 200,000 locations in the U.S., reached 700,000 locations as of early June, and is expected to hit more than 1 million locations this month, according to Apple. Apple Pay will debut in the U.K on July 14.\nAlso coming soon: With iOS 9 (due this fall), Apple\u2019s Passbook app, which is where users store credit cards for mobile payments, will morph into Wallet. With Wallet, users will be able to add loyalty and rewards cards as well as merchant-specific credit cards. Apple has also announced a partnership with Square, which plans to release a new card reader designed to let small businesses accept Apple Pay.\nMost recently, Apple filed for a patent to provide peer-to-peer payments, potentially stealing traction from PayPal and Square.\n(Apple Pay)\nGoogle\nThe search engine giant has been shaking up its mobile payment platform, which failed to gain traction after its 2011 debut. Google Payments will be the platform that supports all of Google\u2019s payment services, including Google Wallet for peer-to-peer payments and Android Pay, VentureBeat reports. Android Pay is Google\u2019s upcoming competitor to Apple Pay. It will let consumers store credit, debit, and loyalty cards for use at NFC-equipped terminals and for online purchases.\nPayPal\nPayPal has made several moves lately to bolster its mobile payments presence. In March, PayPal announced its acquisition of Paydiant, a startup platform that big retailers use to create branded mobile wallet apps. Paydiant enables consumers to make retail purchases via NFC or QR code.\nPayPal is also releasing an NFC credit card reader. And on July 2, the company announced it had acquired Xoom Corp., considered among the top international payment companies, for $890 million.\nFacebook\nFacebook has rolled out a payments feature to Messenger, enabling FB friends to send each other money via the app and a linked debit card. Messenger payments will compete with Google Wallet, Square, potentially Apple Pay, and Snapchat, which uses Square as its peer-to-peer payment platform. \u00a0\n\n(Facebook Messenger)\n\u00a0\nSamsung\nSamsung Pay, announced in March, is said to be set for a September launch in the U.S. and Korea. Along with NFC, Samsung Pay will use a technology called Magnetic Secure Transmission (MST) to beam credit-card info to card readers. With MST, Samsung Pay will reportedly work on 90 percent of existing payment terminals in the U.S.; Apple Pay and Android Pay can interact with NFC-only systems, which are still a minority.\u00a0\nMicrosoft\nThere\u2019s some uncertainty about what the folks in Redmond, Wash. are planning re: mobile payments. But it appears Microsoft \u201cis looking to go up against Android Pay, Apple Pay and...Samsung Pay,\u201d notes Mobile Payments Today, providing a \u2018tap-to-pay\u2019 feature in Windows 10 mobile devices. Further, Microsoft may use dongles such as those from PayPal and Square to accept payments from any platform that uses a Windows-based backend system.\nMobile Payment Challenges\nDespite all this activity, the mobile payments sector has some hoops to jump through before it gains global, mainstream traction. They include:\n* An awareness deficit. According to a December 2014 study by Wakefield Research\/Verifone, half of U.S. Internet users weren\u2019t familiar with mobile payment technologies. The more mobile devices that support contactless payments, of course, the greater awareness will be.\n* Security concerns. Fifty-six percent of consumers don\u2019t want to store sensitive information, such as credit-card details, on their smartphones, according to a Feb. 2015 Harris Poll. But remember: consumers worried about security were slow to bank and buy during the Web\u2019s early days.\n* Competing technologies. Enterprises face a variety of mobile payment technologies to support, along with more traditional payment forms (such as credit and debit cards).\nBottom line: As with any growing industry, some mobile payment players will achieve and maintain traction, others will lose or never get it. Consumers will become less worried about security and be swayed by the ease and benefits of mobile payments.\nIn fact, it\u2019s already happening. Research firm eMarketer says mobile wallets are \u201cespecially popular for smaller-ticket purchases\u201d and cited a recent study showing that 84 percent of consumers are \u201copen to using their smartphones to pay for small and medium purchases like a latte at Starbucks or a new set of sheets. It\u2019ll take a little more time for consumers to feel comfortable purchasing larger ticket items -- for example, a luxury good or furniture -- with a smartphone. One thing at a time.\u201d\nEditor\u2019s note:\u00a0Traction Watch\u00a0is a new column focused obsessively on growth, and is a companion to the\u00a0DEMO Traction\u00a0conference series, which brings together high-growth startups with high-potential customers. The next DEMO Traction will take place in Boston on September 16, 2015. Growth companies can\u00a0apply to present, or those similarly obsessed can\u00a0register here\u00a0to attend.