I normally wouldn't be doing this but I just discovered a flaw. While logged in on my iPad I up voted a post. No problem right ? Well I then went to my Mac that I was logged into MR at the same time and I was able to up vote the same post. So in essence I was able to up vote a single post from 2 different devices using my normal log in. Two votes from the same member on the same post. Is this supposed to be correct ? I just did it on this post also.