Facebook is not your friend, it is a surveillance engine.

Facebook mistreats its users. Facebook is not your friend; it is a surveillance engine. For instance, if you browse the Web and you see a 'like' button in some page or some other site that has been displayed from Facebook. Therefore, Facebook knows that your machine visited that page.

If there is a Like button in a page, Facebook knows who visited that page. And it can get IP address of the computer visiting the page even if the person is not a Facebook user.

Free software is software that respects your freedom and the social solidarity of your community. So it's free as in freedom.

Value your freedom or you will lose it, teaches history. 'Don't bother us with politics', respond those who don't want to learn.

One reason you should not use web applications to do your computing is that you lose control. It's just as bad as using a proprietary program. Do your own computing on your own computer with your copy of a freedom-respecting program. If you use a proprietary program or somebody else's web server, you're defenceless.