Ever since the first fingerprint readers came to market more than a decade ago, access control industry stakeholders have eagerly anticipated the prospect of finally eliminating cards from their systems. However, as of 2015, biometric reader sales accounted for just 30 percent of access control reader sales in the Americas. Meaning they ranked third, still behind both 125 kHz proximity and smart card readers in popularity. "Hardly the credential revolution that manufacturers were hoping for." says Jim Dearing, analyst at research company, IHS Markit.