The concept of “checking in” to a location using a web-based service is not new. Brightkite, Foursquare, and Gowalla have all been doing this for quite some time. But ever since Yelp has joined the fray, I can’t help but feel awkward about it. We’ve now added the ability for yelpers to “Check-in” to businesses. … Continue reading Are Yelp check-ins a conflict of interest?