User talk:RicardoAragon

May 2015
Hello, I'm Samee. I wanted to let you know that I undid one or more of your recent contributions to Human–robot interaction because it did not appear constructive. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page.  sami  talk 19:08, 29 May 2015 (UTC)

Hello, I'm Materialscientist. I wanted to let you know that I undid one or more of your recent contributions because they appeared to be promotional. Advertising and using Wikipedia as a "soapbox" are against Wikipedia policy and not permitted. Take a look at the welcome page to learn more about Wikipedia. Thank you. Materialscientist (talk) 21:51, 4 June 2015 (UTC)