Customer Feedback: Trick or Treat?

Yelp, Yahoo Local, Google Reviews. Is customer feedback a trick or treat?

I just spent some quality Halloween time with my family. We visited friends for dinner and then commenced the usual door knocking in search of a sugar rush.  Halloween is an unusual holiday, isn’t it?  Kids are allowed to beg for candy from complete strangers, with the threat of repercussions if the request is refused. Trick [...]