User talk:Richard.Zhang99

Recent edits to Big data
Hello. I noticed that you recently made a contribution to the Big data article that seemed to be a test. Your test worked! However, test edits on live articles disrupt Wikipedia and may confuse readers. If you want more practice editing, the sandbox is the best place to do so. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thank you! Dcirovic (talk) 07:26, 15 January 2016 (UTC)