return for free

In Return For Free Wifi? What Is And What Should Be Allowed In Terms of Value Exchange?

I did a social sign in the other night at the Cumberland Arms and did a double take before authorizing the "permissions" in exchange for free wifi. Of the four "opt ins" requested, which one gets your hair up most? Update your profile? Read your tweets? For me, it was definitely the fourth one: "Post Tweets for you."…