As someone who's struggling to not fall into depression, I think this will do wonders for me. I've come to believe that the trigger-activity-rewards cycle[1] is the best for productivity and improving my focus.
This product might come in handy in the "rewards" phase of that cycle. PS: Requested and invite through your website. [1]: http://www.ted.com/talks/judson_brewer_a_simple_way_to_break...