Lerrie write nice e-mails to people arround the world. It is a lot of fun to do and other people like it. He has been in different kind of papers and radio programs with this idea. Lerrie's favorite artist from Los Angeles Julianna Barwick, told him at a concert that the thanks e-mail she got from me was the nicest e-mail she ever had gotten and she had forwarded it to all her family and friends. You can learn more about this idea by watch the top video of Shawn Achor where he explains it in 1 minute or watch the video of Sonja Lyubomirsky who talks about the research or listen to one of the interviews. If you like to know more about the research you can visit the website of Sonja Lyubomirsky and read journal articles.