How to turn your iPhone’s location tracking on or off

Photo by Amelia Holowaty Krales / The Verge Your iPhone uses information from your cell service, Wi-Fi, Bluetooth, and GPS to pinpoint its location, and since you almost always have your phone on you, your location as well. That information can be useful for a lot of things, such as letting others know where you are or finding your phone when it’s lost. Other times, it’s just more information that services and companies collect about…

"How to turn your iPhone’s location tracking on or off"

Dev says MakerDAO attackers could turn $20M in Ethereum into $340M almost instantly

A software developer claims to have found a way in which to make an “incredibly profitable” but “expensive” attack to steal all the Ethereum available in MakerDAO. Micah Zoltu described the potential attack in a blog post published on Monday, noting a successful attack could see the hacker “ride off into the sunset with $340 million worth of Ethereum.” “The problem is, Maker Foundation has decided that the appropriate value for this governance delay is 0…

"Dev says MakerDAO attackers could turn $20M in Ethereum into $340M almost instantly"

Twitter will finally let you turn on two-factor authentication without giving it a phone number

Two-factor authentication is good! SMS-based two-factor authentication? Not the best option. After countless tales of people having their phone numbers and inbound SMS hijacked by way of SIM swapping, it’s clear that SMS just isn’t the right solution for sending people secondary login codes. And yet, for many years, it’s been the mandatory go-to on Twitter . You could switch to another option later (like Google Authenticator, or a physical Yubikey) — but to turn…

"Twitter will finally let you turn on two-factor authentication without giving it a phone number"

How to use Alexa to turn on the lights

Dan Seifert / The Verge Deploying smart home technology is one of the more appealing promises of voice control systems like Alexa. It’s tempting (and maybe inevitable) to fall down a rabbit hole of complexity when you’re setting up a smart home because there are so many options and possibilities. If you’re just starting out, it might be a good idea to keep it simple for your first step into creating a smart home. For…

"How to use Alexa to turn on the lights"