Yelp and Twitter can help us spot food poisoning outbreaks quickly. But a new study shows the data favor some communities over others.
Companies have increasingly been using hidden gag clauses, in which customers unwittingly sign away their rights to post online reviews after purchasing a product.
A "Yelp for people" app that offers crowdsourced opinions on people is a terrible idea, and probably illegal.
Checking online reviews is a big part of shopping. But review sites can be manipulated. Does favoring reviews posted by your social media contacts help with trustworthy, meaningful content?