Acquiring valuable customer knowledge has been recognized as one of the most important elements of companies' innovation activities. The significant developments in information and communication technologies (ICT) have enabled creation and diffusion of a number of methods and tools for customer involvement into the innovation process. The research has demonstrated the high potential of such ICT-enabled methods and tools on few successful cases. This study reports the investigation of diffusion of web-based tools by exploring the web-sites of 226 companies in five manufacturing and one service industry. The comparison with the 5-years-ago study reveals several new trends in companies' practices.