Definatly an interesting concept. i was so intrigued i had a look and i agree with your comments. i also stumbled across projectword. this also offers the same opportunity to advertise your website/blogs through defining a word of your choice. each link to your website helps to increase your rank insearch engines. so i bought a word from each. have a look, http://www.projectword.co.uk. i think this will be of some interest to you.