What’s your hobby? What types of things do you like? Hobbything a great social networking platform where people gathering and share their favorite things and posting their stories and making new friends.
On that HobbyThing.com you can create your own groups and invite others to join and you will get hundreds of people who are in same hobby. If you like, use their tag page which is easy to find out your desired topics from thousands of things. As well as, this free service has email system and inside you can share your messages privately.
Listening to music, blogging, traveling, Coffee, Formula One (f1), Painting and so many groups available and you can join plus start posting to groups and grow your friends on hobby things.