Funny you should ask that...
http://www.swingingheaven.co.uk/swingers-forum/viewtopic/290157.html
very hot potato that one
search on verification or quickies and read the results
there was quite a long running thread recently TS, that had many an opinion,and may also give you a potted history of feelings from both longer standing members and those bringing a view and opinions in.
have a look and see what you think
lp