There are many social sites which are made for the large bunch. But what architects require is different from commons. For example, in view-point of general people, making a house means to make a box to increase the self-assets and real estate investment. But for architects, a house is much more than "just a house". He sees the construction site as a blank canvas which he renders until perfection to give the final outcome. For him, construction is a play of art with economy.
Some of the features which archinomy offers are: