Old as new tutorials

Lots of time can pass, but old articles can have new life for new users. Here's a few past posts on different topics:

How to use Keywords Sets in Lightroom.

How to create a Grid Background for Twitter.

How to make a Camera Profile for IR cameras.

How to speed up Basic in Develop, making for a faster workflow.

Why Lightroom appears to change photos after import and what you can do about it.