Google have infrastructure to to serve billions of requests per second, that is not be needed if you only serve yourself. Now imagine if every-one would scrape

Google have infrastructure to to serve billions of requests per second, that is not be needed if you only serve yourself. Now imagine if every-one would scrape the web as often as Google does. :P Your mobile phone can run some billions of instructions per second. Now imagine a server case, or a rack. Compute power is very dense. And very cheap. The entire wikipedia (text only) can be stored on a micro-sim. eg a few mm.