Third space- Third space refers to a physical or virtual environment, that is distinct from home or work, where people can unwind, talk and discuss things that are important or of interest to them.
Virtual Environments- Virtual environments can be a third space to some for example, Second Life or Facebook. These environments can allow people to connect with other communities that exist both virtually and physically. They are spaces where individuals can express or represent themselves in a variety of ways, such as a professional profile or avatar. In addition, virtual environments can provide virtual venues for people to hold meetings, conferences and online communities.
Infrastructure- Webster Dictionary defines infrastructure as: The underlying foundation or basic framework (as of a system or organization).
Infrastructure is the framework which supports the rest of the whole. Would the Internet be considered an infrastructure?