Respectfully Saying No Thanks
Have you ever meticulously poured over a Matches profile, then drafted a detailed email to them only to never hear from them at all. I don't think a response should be expected from sent winks or mindless network invitations. However if someone has taken the time to draft a personalized email, that was respectful, witty, inquisitive, and non pushy, the recipient should at least respond with a thanks but no thanks. Even better would be no thanks, you are not what I/we are looking for because..