A speed square has many obvious uses for marking up your building materials. Here's a small hidden feature you may not know about: it can also draw perfect circles. Most speed squares have a notch at ...

I have way too many photos and screenshots saved on my iPhone-- nearly 60,000 images are sitting in my camera roll as I write this. And I like to draw on many of them, especially screenshots of funny ...

Forbes contributors publish independent expert analyses and insights. Barry Collins is a tech journalist writing about PCs, Macs and games. We’ve all been in shades of lockdown for months, it’s the ...