Preventing accidental contact with surfaces scratching is a well solved problem
It depends on if skype is sending all chats, or just the links. It depends on if microsoft is archiving what it receives or just checking them for malware. As usual, more information is required to make an informed judgement on this issue.
"It says he made us all to be just like him. So if we're dumb, then god is dumb, and maybe even a little ugly on the side." -- Frank Zappa