Your phone’s camera isn’t just for selfies—it can also double as a visual search engine. From mystery plants to random gadgets, these top Android and iPhone apps can help you identify almost anything ...

Searching with words is so 2010 —searching with images is the wave of the future. Whether you’re trying to identify something you’d like to buy, checking for deals or looking for information on what ...

You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

You can download Twitter videos using a third-party app and save them to your desktop or mobile device.