The latest version of WhatsApp introduces a shortcut for group video and voice calls. Now in the top right corner of any group you will see a phone with a plus sign next to it. Pressing this button will allow you to select which members to group call.
If you don't know it, it's about time you learn it... and a few more
Sennheiser's headphone software had a serious security flaw that could compromise your entire web browsing
Did you know that a full copy of Windows can be installed and run from a USB drive? Microsoft introduced "Windows To Go" with Windows 8 Enterprise and has continued supporting the feature in Windows 10, which can be kept on a pen drive in your pocket as a portable operating system.