Why Is HTC Choosing Phone Thinness Over Battery Life?

Battery life is arguably the number one concern when it comes to choosing a smartphone -- even the most feature-packed phones are useless if they've run out of power. So why has HTC eschewed battery performance for device thinness?

Source: http://www.wired.com/gadgetlab/2012/04/why-is-htc-choosing-phone-thinness-over-battery-life/

TRANSACTION SYSTEMS ARCHITECTS TOTAL SYSTEM SERVICES TNS TIBCO SOFTWARE