Gadget Hacks How-Tos

How To: Calculate Tips Faster on Your iPhone Using the Shortcuts App

When it's time to calculate a tip at a restaurant or bar, I usually try some mental math at first, but sometimes I resort to opening the Calculator quickly from the Control Center on my iPhone and doing a quick calculation. But with Apple's Shortcuts app, there's an even easier way, and you don't even have to leave your lock screen to get the results.

How To: Unlock Android 9.0 Pie's New 'Feature Flags' Menu to Modify System Settings

There's a new secret settings menu hiding in Android 9.0 Pie that offers Chrome-style "flags" to the overall operating system. Since it's currently the first Developer Preview and Public Beta versions, it's possible that this menu could disappear entirely when the stable version finally gets released, but it could also persist in its current hidden state where you have to unlock it.

How To: Get the Screenshot Editing Feature from Android Pie on Any Phone

The new Android 9.0 Pie update is bringing a feature that stock Android has been lacking — screenshot editing. OEM skins like Samsung's TouchWiz have had this for years, and Apple added it to iOS just recently. But now that it's in stock Android, it'll be included with every phone going forward — trouble is, most people will have to wait for the update. Thankfully, you can get this feature right now on any phone.

How To: Read WhatsApp Messages Without Opening Them & Letting the Sender Know

WhatsApp comes with a ton of great features that make it the go-to messaging app for millions of people around the world. Among these is the ingeniously simple Read Receipts that let you know your message has been viewed. If you want to read a message without alerting the sender, however, there are simple tricks you can perform to give yourself plausible deniability.

How To: Hide Your Active Status in Facebook Messenger to Go Incognito Online

For all of its advantages, Facebook Messenger isn't the best for people who like their privacy. The popular app lets all your Facebook friends know when you're online by default, as well as how long you've been idle, making it impossible to check up with one person without leaving yourself vulnerable to your entire friends list. Luckily, this feature is one you can turn off.