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http://www.newindianexpress.com/cities/bangalore/Chasing-the-Evasive-Muck/2013/12/24/article1961626.ece

This is the most effective way to introduce something new to people.
Preaching isn’t enough, there are a lot of small hurdles that need to be removed before change will actually be implemented.
Enlisting the help of those involved insures that the new thing is OK with them – otherwise you wouldn’t be able to convince them – and that they understand what it’s going on!