Major dating faux pas: Stealing someone else's profile

Insecurity and false pretenses have always been part of human social life, but now that we're so densely and public networked, you'd better watch your step if you're fronting.

Rule 1 of social networking: Don't pretend to be something you're not. Rule 1a: Don't steal other people's content. Come on. Sooner or later, whoever you're dating--and all her friends--will recognize that you're not only unoriginal, you're unethical, and will dump you, and say bad things about you publicly. Count on it!

Read the full, fascinating, gory report at WSJ.com: "The cut-and-paste personality"