A number of companies, including IBM (IBM ), Microsoft (MSFT ), and Hewlett-Packard (HPQ ), have recently developed new biometric software and devices designed specifically with the phone in mind. Their solutions to the phone-security conundrum range from embedding detectors such as fingerprint scanners right into mobile phones and personal digital assistants to using a promising new biometric technique called voice verification.
En-masse deployment of voice-verification technology could happen within a year, with sales of related software and devices expected to rise from $45.9 million last year, to $224.6 million in 2008, according to researchers at International Biometrics Group, an independent industry researcher. That could turn out to be a conservative estimate. "Today, the market for voice verification is smaller than [the $3.5 billion market] for voice recognition, but that could be changing," says Alex Acero, a senior researcher with Microsoft's speech technology group in Redmond, Wash. "There's a lot more emphasis on security."
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