The original poll:
https://seganeptune.wordpress.com/2009/03/31/sega-wants-feedback-for-the-next-storybook-sonic-game/

Poll results:
https://web.archive.org/web/20190707194643/http://www.tssznews.com/2009/04/23/sonic-facebook-poll-results-go-greek/

Mexico rep comments:
https://web.archive.org/web/20110702060339/http://www.tssznews.com/2011/06/29/sega-mexico-rep-hints-at-several-upcoming-sonic-titles/