Wikipedia is an incredibly frugal and efficient nonprofit organization. It serves half a billion visits per month. But do you know how much it costs to keep this huge website running? According to 2012-13 Wikimedia Foundation Annual Plan, the expected spending is around $40 million. Some may argue that Wikipedia is just a site with "just text", why does it cost so much? Oliver Emberton shared his view.To keep Wikipedia running and serve 500 million visits per month. First, you're going to need hosting. This isn't a service you can pick up from GoDaddy (this pic is 3 years old but you get the i...