Shoppers, meet augmented reality. Amazon's Flow tool lets you look up items in its database through your iPhone's camera. Here's how to do it.

Amazon subsidiary A9 has just launched the Flow iPhone app. It's yet another visual shopping aid: you point it at a product, and it looks it up and gives you a price and an ordering link. The ...

Flow, a third-party Instagram app that landed on the iPad nearly two years ago, has now made its way to the iPhone. If you’re someone who enjoys unofficial apps — such as Tweetbot for Twitter ...