Snapchat ad infinitum
Your phone plan includes one gigabyte of data usage per month. Your friend claims you could, if you wanted to, upload 50,000 pictures to Snapchat every month on this plan. Assuming the average Snapchat picture size is 40 kilobytes, is she right?
(One kilobyte is approximately equal to one thousand bytes; one gigabyte is approximately equal to one billion bytes)