User talk:74.132.163.18

Hello, I'm MarginalCost. An edit that you recently made to Read-only memory seemed to be a test and has been removed. If you want more practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! MarginalCost (talk) 01:28, 1 May 2018 (UTC)