Our parents told us not to trust strangers, and while this wisdom is primarily applicable to issues of safety, it applies to food as well. LocalSpin is an iPhone app that lets people share recommendations on restaurants, bars, and cafes with people win their social network. Rather than trusting 250 anonymous strangers on Yelp or the high falutin’ opinion of a food critic, users can access their friends’ preferences to decide where to eat. The New York City company has raised $250K from a group of local angel investors.