Create your own wi-fi heatmap

Get cosy and save money with these savvy tips to boost your home’s efficiency – and beat any energy zappers

W i-Fi is everywhere, from your local café to airport lounges. Yet inside your car it’s often missing unless you have a recent or expensive model (see box opposite). That’s a real drawback. In-car Wi-

Having problems with your Mac, iPhone or iPad? Fix them fast with these top tips, tricks and how-tos

Staying connected on the road is vital for messaging family and friends, checking weather and booking attractions in advance. Our phones are incredibly useful and powerful portable computers, but much

Virtual private networks (VPNs) have been around since 1996, when their primary purpose was to let remote workers connect securely to corporate networks. Since then they’ve become an essential tool fo

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