past fax modem Skype and so forth and all of these are examples of where here original information might have been represented with many many bits too large for you to a store on file in that format and because you can reduce them or they can get back out the original you can now store it more efficiently or send it more efficiently over get in line when he said it more official over communication line it can reduce both the amount of does he need to send then in the process also reduce the latency because it might be less