I'd caution you to make sure you double-check your information with official intel from Medium. We write about this stuff a lot over at http://blog.medium.com and we want to make sure writers have accurate information.

This story is a great place to start:

https://blog.medium.com/how-can-i-get-boosted-33e743431419

With even more intel here:

https://blog.medium.com/boost-nomination-pilot-gossip-from-the-person-running-the-program-803bff156c94