References

https://www.google.co.za/search?q=diagram+of+internet+infrastructure&hl=en&prmd=imvns&tbm=isch&tbo=u&source=univ&sa=X&ei=E9GkULwg04uFB4XegcgI&ved=0CBwQsAQ&biw=1366&bih=667

https://www.google.co.za/search?

q=diagram+of+internet+infrastructure&hl=en&prmd=imvns&tbm=isch&tbo=u&source=univ&sa=X&ei=E9GkULwg04uFB4XegcgI&ved=0CBwQsAQ&biw=1366&bih=667#hl=en&tbm=isch&sa=1&q=pic+of+vodaphone+usb+modem&oq=pic+of+vodaphone+usb+modem&gs_l=img.12...0.0.1.4366.0.0.0.0.0.0.0.0..0.0...0.0...1c.S9UtTJ-PNDs&pbx=1&bav=on.2,or.r_gc.r_pw.r_qf.&fp=7952899ccd8c59f4&bpcl=38625945&biw=1366&bih=667

www.youtube.com/drumming