You don't need a physical scanner to quickly sign, scan and send official documents -- just use the iPhone in your pocket.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Melanie Pinola and Wirecutter Staff Smartphones are the Swiss Army knives of ...

Cameras on smartphones are a much bigger deal than they used to be. Smartphone companies are chomping to make their cameras more reliable, adapt to dim light better, and add extra features to engage ...