Came across quite an interesting news article thought this may be of interest to some of you; i'm familiar with some of Richard Wisemans previous mass social expriments and this sounds quite fun.
Online bid to cheer up Britain - Yahoo! News UK
Anybody who would like to get involved with the social experiment visit;
www.ScienceOfHappiness.co.uk. (website live from Monday 3/8/09)
for more detailed information.