This little trick can be a lifesaver. Say you’re at a hotel, and they charge an arm and a leg for Wi-Fi per device. With Wi-Fi sharing, you pay for one and spread the love to all your gadgets. Or, if ...

It allows your device to share your internet connection with friends and family members. You will be a lifesaver for your friends who need to reply to their bosses or for acquaintances who don't want ...