User talk:Afrine
August 2007
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Welcome to Wikipedia. We invite everyone to contribute constructively to the encyclopedia. However, one or more of the external links you added to the page Diffraction grating do not comply with our guidelines for external links and have been removed. Wikipedia is not a mere directory of links; nor should it be used for advertising or promotion. Since Wikipedia uses nofollow tags, external links do not alter search engine rankings. If you feel the link should be added to the article, then please discuss it on the article's talk page before reinserting it. Please take a look at the welcome page to learn more about contributing to this encyclopedia. Thank you. Han-Kwang (T) 09:10, 13 August 2007 (UTC)
October 2007
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Please stop adding inappropriate external links to Wikipedia. It is considered spamming and Wikipedia is not a vehicle for advertising or promotion. Since Wikipedia uses nofollow tags, additions of links to Wikipedia will not alter search engine rankings. If you continue spamming, you will be blocked from editing Wikipedia. Han-Kwang (t) 18:51, 13 October 2008 (UTC)