There are some large and reputable bitcoin faucets that have consistently made their payouts for a long time. A few that make such a list are Free Bitcoin, Bitcoin Zebra, and Moon Bitcoin. To find a long list of faucets, visit Land of Bitcoin.
As you can see, cryptocurrency enables marketers to give away the ultimate freebie in the modern age: money. While you would have to spend a significant amount of time to get actual value out of faucet visitation, it does present a chance to become fully immersed in how Bitcoin transactions work.