concrete proof?..none.......been here 3 years, own 6 million shares, and have been reading their lame pr`s and fabrications forever.....am elect eng, and master electrician, and have been doing the s**t they talk about for 45 years......the smart people jumped ship at the time of "THE BIG REVEAL".....it might be time to contact the sec (prob already have complaints).....many of us are down 100k or more.....these t-trades are not a good sign.....I think zen is out of ZEN!