SmartphoneApps

Mobile Ads Can Hijack Your Phone and Steal Your Contacts

Those pesky pop-up ads from the '90s are back, but this time they're holding your smartphone hostage. Tens of thousands of smartphone apps are running ads from rogue advertising networks that change smartphone settings and take contact information without permission.

Is Amazon the New Walmart (in the 'Evil Empire' Sense)?

On Dec. 10, Amazon offered a special deal to shoppers who used its smartphone app in brick-and-mortar stores: Scan certain items, and the Web retailer would give them an extra 5% off. Critics cried foul. In one tactless move, has Amazon cast itself as the new mom-and-pop business killer?