A decade ago, there were no mobile devices to buy movies on, no social media to keep up with the latest news.

Now there are millions of them.

And yet, how can we be sure what’s going on in the internet age?

In this article, we’ll tell you the basics.

The Internet is changing, but how can you be sure that everything is up to date?

There are a lot of reasons why you may be getting your movie on Netflix but not being able to watch it, or seeing your favourite movie online but not seeing it at home.

There are also a lot more reasons why your favourite music app might not be available to you but not the latest album from the biggest label in the world.

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This article is from the archive of our partner The Wire.