Where does metaquotes get is tick data from?

 
Tick data varies from broker to broker and tick charts will look different. Since Metaquotes/metatrader isn't a broker where are they getting tick data from for their demo accounts?
 
Rweiland:
Tick data varies from broker to broker and tick charts will look different. Since Metaquotes/metatrader isn't a broker where are they getting tick data from for their demo accounts?

How will this information benefit you? I wondered :)

Reason: