Many Companies and Organizations have webinars and online meetings where they’ll provide rewards for attending their webinars.
Below is a list of upcoming webinars where you can earn free stuff, usually gift cards. In most cases you will have to attend the webinar online until it ends, and sometimes they’ll make you do something like an exit survey before you get your gift.
Since they’re professional events, you will have better odds of getting the gift if you can use a professional/business email address instead of something like a gmail. Business name and titles are often required as well.
I’ll continue to update this post as I find more of them, new ones will be added to the top: