Don't believe everything you read on facebook or the Internet. This has been circulating for several years on facebook and it doesn't have a shred of truth to it. I get tired of telling people to stop believing everything they read:

Paraphrased:
Here’s how to bypass the system F4ceB00k now has in place that limits posts on your news feed. Their new algorithm chooses the same few people - about 25 - who will read your posts. So hold your finger anywhere in your nostril and twist it. Then, go to your page, start a new post, and put your finger anywhere in the blank field. That will transfer the Nasal Mucous. This will bypass the system.