You might want to limit this to geek-frequented bars in Silicon Valley only, as it is using strangers for your own financial benefits without reimbursing them for their feedback.
Also consider that disclosing your work in public means subsequent attempts to patent anything are toast (unless each stranger signs you an NDA first).
> Also consider that disclosing your work in public means subsequent attempts to patent anything are toast (unless each stranger signs you an NDA first).
Are you suggesting that people trying to have a drink are going to rush out and patent something based on what some asshole was trying to drunkenly describe to them?
propably not but you never know.