How to get more LIKES on your pages for FREE?

I’m managing a few smaller FB pages and there is a small trick I’m using all the time to get more likes for free. I’m sure large part of you knows and uses this, but for those who don’t, here it goes :

Whatever you post on your page, it get’s some likes from your page’s fans. The more likes you get in the initial phase, the better the final reach … this is clear.

But, when your FANs like something, people on their friends list might notice and like your stuff too … nothing ground breaking about this, that’s the viral effect we are all looking for. In many cases, you will get more likes on a post from ...