not sure, but they have been around for a little while, so i'm thinking that if they were causing problems other people would have said something by now. Just because i've never heard of it doesn't mean its not a problem, but the likelyhood is lower considering i live my life on computer forms
"sixth sick sheik's sixth sheep's sick"
*grabs a stick and places it into the flames; mmmm, smores*
%Think before you act would be a good motto%