The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From Bam Industries:
Bam! is a comment system for the world. View, post, and vote on comments (called Bams) left right where you are, wherever you are. And Bams aren't just boring reviewsyou can read and write comments about literally anything!Go exploring on the map to see what people are saying about your favorite places, or to discover cool new places!People are posting: Insider tips, tricks and secrets about places Surprising trivia and interesting facts Funny jokes, stories, and things to try" kind of like foursquare for people who have a life"" Finally a location-based app done right!"No account is required and it's 100% free!Works on iPhone, iPod touch, and iPad.