Give a recommendation of something you think worthwhile for people to try, whether it be suited for a few or for many.
I'll start it off.
If you've ever even slightly entertained the idea of playing a musical instrument, Do It. You just have to scratch out a few painfully discordant sounds to get hooked. Then, who knows? Years later you'll still be scratching out discordant sounds, like I do, but there ain't nothing like it..