Applications such as iMessage, KakaoTalk, LINE, Signal, Skype, Snapchat, Threema, Viber, WhatsApp and WeChat have become an increasingly popular means of personal and business interaction. Surprisingly little academic effort has gone into understanding the nature and origin of these...

In der Entwicklung der Verkehrstelematik in Europa setzt man auf den kombinierten Einsatz von Informations-, Kommunikations- und Satellitennavigationssystemen nicht nur in den klassischen Sektoren des Bahn-, Schiffs- und Flugverkehrs, sondern vermehrt im individuellen Straßenverkehr....

Diffusion of low-energy houses is an important part of energy and climate policy in the European Union (EU) and in individual EU countries. Key barriers to the adoption of low-energy houses include additional construction costs and uncertainty surrounding actual energy and cost savings. In this...