User talk:Laserdiodeguru

Welcome!
Hello, Laserdiodeguru, and welcome to Wikipedia. We appreciate encyclopedic contributions, but some of your recent contributions, such as your edit to the page Laser diode, seem to be advertising or for promotional purposes. Wikipedia does not allow advertising. For more information on this, please see: If you still have questions, there is a new contributors' help page, or you can write   below this message along with a question and someone will be along to answer it shortly. You may also find the following pages useful for a general introduction to Wikipedia: I hope you enjoy editing Wikipedia! Please sign your name on talk pages using four tildes ( ~ ); this will automatically produce your name and the date. Feel free to write a note on the bottom of my talk page if you want to get in touch with me. Again, welcome! &mdash;  LeoFrank  Talk 08:16, 12 April 2015 (UTC)
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Please do not add inappropriate external links to Wikipedia. Wikipedia is not a collection of links, nor should it be used for advertising or promotion. Inappropriate links include, but are not limited to, links to personal websites, links to websites with which you are affiliated (whether as a link in article text, or a citation in an article), and links that attract visitors to a website or promote a product. See the external links guideline and spam guideline for further explanations. Because Wikipedia uses the nofollow attribute value, its external links are disregarded by most search engines. If you feel the link should be added to the page, please discuss it on the associated talk page rather than re-adding it. Thank you. Materialscientist (talk) 09:00, 12 April 2015 (UTC)

Please stop adding inappropriate external links to Wikipedia. It is considered spamming and Wikipedia is not a vehicle for advertising or promotion. Because Wikipedia uses nofollow tags, additions of links to Wikipedia will not alter search engine rankings. If you continue spamming, you may be blocked from editing Wikipedia. Materialscientist (talk) 09:04, 12 April 2015 (UTC)

April 2015
You may be blocked from editing without further warning the next time you insert a spam link, as you did at Active laser medium. Persistent spammers may have their websites blacklisted, preventing anyone from linking to them from all Wikimedia sites as well as potentially being penalized by search engines. VeryCrocker (talk) 07:42, 17 April 2015 (UTC) You have been blocked indefinitely from editing for abuse of editing privileges. If you think there are good reasons why you should be unblocked, you may appeal this block by first reading the guide to appealing blocks, then adding the following text below this notice:. Materialscientist (talk) 07:46, 17 April 2015 (UTC)