Sebastiaan Kaland is the owner and founder of Prospektangebote.de, which publishes brochures of large and small business chains in Germany. It covers supermarkets, hardware, electronics, fashion, toys, computers, and drug stores. It also includes local mom-n-pop store brochures. Users can bookmark their favorite store by clicking on the heart to get regular and timely updates on new products and offers. Prospetangebote is also available on android and iOS apps.