User talk:119.157.182.40

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March 2014[edit]

Information icon Hello, I'm Materialscientist. I wanted to let you know that I undid one of your recent contributions, such as the one you made with this edit to Online advertising, because it didn’t appear constructive to me. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Materialscientist (talk) 07:27, 19 March 2014 (UTC)