User talk:325abobdsay

March 2010
Welcome to Wikipedia. The recent edit that you made to the page Science and inventions of Leonardo da Vinci has been reverted, as it appears to be unconstructive. Please use the sandbox for testing any edits; if you believe the edit was constructive, please ensure that you provide an informative edit summary. You may also wish to read the introduction to editing for further information. Thank you. Alansohn (talk) 00:31, 26 March 2010 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did with this edit to the page Science and inventions of Leonardo da Vinci. Such edits constitute vandalism and are reverted. Please do not continue to make unconstructive edits to pages; use the sandbox for testing. Thank you. Alansohn (talk) 01:01, 26 March 2010 (UTC)

Invitation to take part in a pilot study
I am a Wikipedian, who is studying the phenomenon on Wikipedia. I need your help to conduct my research on about understanding "Motivation of Wikipedia contributors." I would like to invite you to a short survey. Please give me your valuable time, which estimates only 5 minutes. cooldenny (talk) 07:49, 15 April 2011 (UTC)