Google launches 'Who's Down' tool to find people near you who want to go out

The free app, which is currently invite-only, lets you confirm you're 'down' for an activity. Nearby friends will see your status and be given the option to join you.

http://www.dailymail.co.uk/sciencetech/article-3297594/Need-friends-s-app-Google-launches-s-tool-people-near-want-out.html