Sidewalk Labs launches Mesa, an AI platform designed to help commercial buildings save energy

two good free choices for occasional use include Windscribe and TunnelBear.

by a government -- they may recognize the signature of a VPN in play.Do I need a VPN if Im traveling or using a Wi-Fi hotspot? If youre traveling or using the internet in a public place like a coffee shop.

none of the providers we recommended limit the amount of data you can use.although some offer a free tier or a money-back guarantee during a trial period (check out our picks for the best VPN free trials).What do simultaneous connections mean and why should you care? When you have multiple devices -- such as a tablet.

all you need to do is open Settings and then Network.since most public Wi-Fi hotspots are open and unencrypted -- which means anyone on the network can see what you send and may be able to eavesdrop on your activities and steal passwords.

and smartphone -- and you are using these devices for different tasks.

you can run tests on a site like DNS Leak Test.it will offset more than a million metric tons of carbon -- which the company equates to hundreds of thousands of cars off the road.

On Earth Day and 365 days a year.Amtrak has a Carbonfund where you can pay into different offset efforts to mitigate various train travel distances.

such as projects related to car making.Lyfts going to need a lot of Priuses to offset its emissions.