Ever been in a room full of people and wondered who you'd actually click with? Common Ground answers that question. Everyone answers survey questions on their phone, and AI instantly reveals surprising connection clusters — who shares your exact sense of humor, who grew up the same way, who has the most in common with you across dozens of dimensions. The "People Like You" cards show your strongest matches with real conversation starters. It turns strangers into friends and coworkers into people who actually get each other.