The best PDF editors for 2021

Our list of the best PDF editors features premium offerings and some of the most full-featured, free alternatives for editing PDF files.
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Google Meet vs. Zoom

When it comes to free videoconferencing, Google Meet and Zoom are two of the most popular options. Learn more about how they differ and which is best for you.
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The internet’s ‘phonebook’ is flawed and outdated. It’s time for an upgrade

DNS, aka the internet's phonebook, has been the foundation of the worldwide web since the 1970s -- but that foundation is starting to crumble and crack.

Robot pile-up causes grocery delivery chaos for online shoppers

A catastrophic collision between three robots at a cutting-edge facility in the U.K. suggests the road toward the robot takeover may be rocky.
Ocada robots at work.