Stuck in Stuff: The 100 Things Challenge Dave Bruno is “positively cautious about stuff.” He’s so serious about this that he has issued a personal “100 things challenge” in which he is whittling his personal things down to 100. Oh my! That goes against my packrat nature. How about you? By Brent Logan Engineer. Lawyer. WordPress geek. Longboarder. Blood donor. Photographer. More about Brent. View all of Brent Logan's posts.