bounty and airdrop campaign is the most common way for everyone to get tokens for free and this is mostly done by everyone, I am also one of them 
btw articles like this I've often met
You invest your time to earn for free tokens am i right? not like you have been receiving without work, bounty is known way to make it. But blog posting in those platform than earn some tokens which worth, BAT and Steem both you able to trade in exchange. Airdrop and bounties most of tokens almost no values. btw articles like this I've often met