Feb 22, 2011. Online dating profiles are ripe for privacy concerns. Let's dig. Roughly 40 million Americans use online dating sites like Match.com, Zoosk.com, and eHarmony.com to find love, and that number is on the rise. Intrigued, they renew their membership, only to find that they never receive a second message. What to say online dating second message, 1. the “10 reasons why (her name) didn't answer” message. If we…