From CitySocialising Ltd:
Post and share where and when you'll be hanging out next to auto-alert any friends who are nearby or free to hook up. Invite your network and follow them in uberlife to find out when they'll be in your area or free to hang out too.Fill in any gaps in your social diary - discover where your friends and likeminded others will be hanging out around you and join them there. Develop a new following that you can share your hangout updates with too to notify any of them who are nearby to come and hang out.
What's new in this version:
What's new?-* Invite friends via email and SMS* Facebook invites as notification instead of wall post.* Twitter invites as direct message instead of @ mention.* iOS5 Twitter connect.* Clicking hangout links on iPhone now redirects to app.* Various stability improvements and bug fixes.