¹ The group of broadband economics experts comprised both broadband experts (stationary and mobile) and digital lifestyle experts. The group of broadband experts consisted of experts for stationary as well as mobile Internet. The group of international experts included experts from the United States, the European Union and Asia. The group of public administration experts was comprised of experts from public institutions. The group of consumers consisted of Internet users. The survey findings do not claim to be representative.

² Cf. the value for 2004, German Federal Statistical Office (2006), Press Release No. 71.

³ Cf. the value for 2006, Federal Network Agency (2007), 2006 Annual Report.

⁴ Cf. the value for 2005, Financial Times Deutschland (2007), Jan. 12, 2007 issue as well as the Chip Xonio Online Broadband Report 2007.

⁵ The following categories were used to rate “intensity” questions throughout the study: very low, low, medium, high, very high. The neutral response range (medium) and the categories “low/very low” have not been graphically depicted.

⁶ Cf. the value for 2005, Financial Times Deutschland (2007), Jan. 12, 2007 issue; Federal Network Agency (2007), 2006 Annual Report; Analysys Research (2006), The impact of Multi-service Play, Cambridge (single-play not considered).

⁷ Cf. the value for 2006, Bitkom (2007), press release.

⁸ Cf. the value for 2006: Corporate information/own calculations.

⁹ Cf. the value for 2006, ARD/ZDF (2006), Media Perspektiven 8/2006.

¹⁰ Cf. the value for 2006, ARD/ZDF (2006), Media Perspektiven 8/2006; KPMG (2007), The Impact of Digitalization – a generation apart.

¹¹ Cf. the values for 2006, OECD (2006), OECD Broadband Statistics (category averages gleaned from report).