Back Office Costs
So far, we’ve only evaluated the options based on the fees of the social network service providers. To make your network work the way you want it to, you must also consider costs related to technical things that most people won’t see or know about—the back office functions. These costs cover a number of technical issues that are considerations for any website.
The back office is all of the structure behind your social network, including the computers it runs on, the services that it uses to connect one part to another, and how it functions within the broader scope of the Internet.