Possible Clues:

• Product introduced with the line 'And now, we're going to bring multi-touch to the market'
• 2014 high-tech release using the slogan "Bigger than bigger"
• Apple product
• What Apple's Project Purple became
• Device that features Siri
• 'The Internet in your pocket' sloganeer, once
• Device with a '3D Touch' display
• Jobs offering of 2007
• Droid alternative
• Tech debut of June 2007