A constrained interface for giving compliments. You type one in—it gets delivered to a stranger. No replies. No metrics. Just the act of saying something kind into the void.

An A/B testing ground for opening lines. Submit your best first message, see how it performs compared to others. Learn what actually breaks the ice vs. what just breaks the conversation.

Tiny social challenges delivered daily. "Start a conversation with someone wearing yellow." "Give a specific compliment to a stranger." Low-stakes prompts to practice being brave.

How fast do you respond to a text from someone you like vs. someone you don't? This experiment measures your actual behavior—not what you think you do.

An interactive game that teaches you to navigate from weather chat to real conversation. Each choice branches the dialogue—some paths lead deeper, others loop back to "nice weather, huh?"

Do you use 😂 or 💀 for laughter? Is 🙃 passive-aggressive or playful? This experiment maps how different groups interpret the same emoji—revealing surprising generation gaps and subcultural splits.