bla.st is a free, community driven web directory and advertising network. Anyone including individuals and organisations can add cards to bla.st, totally free, to promote their website, blog, business, products, competition, events and almost anything else. The goal is to make advertising free, non-invasive, targeted and actually useful to people. All cards on bla.st are the same size (270x165px) and non animated. Cards are organised by country and tags, for example, cards for mac software can be found at http://bla.st/mac-software/ Advertisers can optionally pay to improve their card position. The cards paying the most per day are placed on the front page and at the top of their categories.