Following this 4 year old claim from a Ski-company Semapedia's goal is to connect the virtual and physical world by bringing the best information from the internet to the relevant place in physical space. How do they do that? Here is nice example:

The process of physically 'tagging' real-world objects with semacodes, so that users with mobile phone cameras can automatically retrieve relevant wikipedia articles on their device. (see also qr code & grafedia)

via: Information aestethics