A macro lens is a lens designed for taking extremely close-up photos of the subject. If you’ve ever seen a photo of a spider’s eyes or the veins of a leaf, that was a macro photo.
One of Facebook’s most annoying features is that any of your Friends can add you to a Facebook Group. I’ve had several acquaintances who are selling Herbalife or similar things add me to Groups promoting their dubious products. If the same thing happens to you or you just want to leave a Facebook Group because it’s no longer relevant to you, here’s how.
Snapchat’s new Snap Map feature is incredibly creepy—it shares your location with all your Friends every time you open Snapchat—and might make you want to consider blocking Snapchat from seeing your location at all. This will affect a few Snapchat features, so let’s look at what you lose.
By default, only people you follow can send you direct messages on Twitter. This is just one of the ways Twitter tries to keep harassment to a minimum. If you want your DMs to be open to anyone, however, you’ve got to enable a setting.
In photography, the “dynamic range” is the difference between the darkest and lightest tones in an image, generally pure black and pure white. It’s more often used to talk about the maximum dynamic range a camera is capable of.