If you have a problem with an app you might need to do a "Force Stop" and "Clear Cache." But why does that help? What is "Force stop" and what is a cache?

VPN stands for Virtual Private Network. But what is a VPN? What can a VPN do for you and do you need one? Let's take a look.

There are so many areas of technology that Gary would like to cover, but they aren't directly related to mobile. Introducing the new Gary Explains YouTube Channel...

If you have heard of Bitcoin then you have probably heard of the blockchain. But what is a blockchain? And how does it work? Please, let me expain.

The thing about open source software is that it is equally a social contract as well as a legal agreement. That is why companies that break the open source "contract" are immoral and unjust.

IoT has been in the news recently after the DDOS attack on Dyn. It highlighted the problems with IoT security. But what is the problem? Let me explain.

With Samsung's Infinity Display and the iPhone X's Super Retina HD making headlines, what do all these terms mean, and is AMOLED better than LCD?

Huawei's Kirin 970 has a new component called the Neural Processing Unit, the NPU. Sounds fancy, but what is it and how does it work?

The benchmark scores for the new Apple A11 Bionic SoC are very impressive. But why is Apple so far ahead of the competition?

Many camera apps offer a manual or pro mode that gives you direct control over the camera. But what do all those settings mean? Let me explain.