This is generally quite true. It's not unheard of that I'll be hanging out at a cafe in Palo Alto and run into other entrepreneurs I've met before. I went to

This is generally quite true. It's not unheard of that I'll be hanging out at a cafe in Palo Alto and run into other entrepreneurs I've met before. I went to a talk at the CS dept at Berkeley and ran into a direct competitor (who actually had my app installed on his phone). Had a great convo with him. I've also had people come up to me who are in similar spaces who propose a possible collaboration.