FastMall iPhone app by MindSmack featured on Mashable.com and AdAge.com homepages.

FastMall Is Foursquare for Malls.
This post is part of Mashable’s Spark of Genius series, which highlights a unique feature of startups. If you would like to have your startup considered for inclusion, please see the details here. The series is made possible by Microsoft BizSpark.
Name: FastMall
Quick Pitch: Think Foursquare-meets-Yelp (Yelp) for shopping malls.
Genius Idea: FastMall [...]