Promo code (RankSider): 10X15 Euros Code: feedmyapp15RankSider is a Crowdsourcing Platform for blog marketing, social media and SEO. The start-up helps companies to make their products and brands visible and improve their ranking in search engines. RankSider positions itself as a self-service marketplace. Advertisers can sign up for free and launch their campaigns with a specified budget. “Opinion leaders“ are informed about these campaigns by RankSider and can now make their bids. The advertisers choose and accept the most suitable bids. Advertisers can use the marketplace free of charge. RankSider finances itself by charging a percentage of the successful bid, which are paid by the contractor. The Crowdsourcing Platform was launched in August 2011 and has already convinced more than 1200 customers with its innovative business model.