We may be getting a new way to use Foursquare. The location-based recommendation company today announced Marsbot, an iOS app for the service that aims to provide tips for where to eat and drink in the moment. "Our goal: create a product that tells you where to eat or drink before you think to ask for it," the company said in a blog post. "It would deliver contextually aware, proactive recommendations for awesome food and nightlife spots via the simplest communications channel possible: text."...