TOPIC.

Microblogging network to follow your interests, not other people. Topic is a micro-blogging network that permits users to see comments and information about topics in their city, and allows them to create new, public posts. Network for people to be able to express themselves, share their knowledge of a topic or ask questions about something. It is also a platform where a group of friends or co-workers can great topics around their offices or private hobbies.