Be Serious for 30 Seconds Be Serious for 30 Seconds looks like a fun video project. If you do it, you’ll be in good company. Hat tip: PetaPixel, which also lists the rules for your convenience and embeds some great videos (though I’m not convinced they follow all the rules…). By Brent Logan Longboarder. Blood donor. Photographer. More about Brent. View all of Brent Logan's posts.