content/services portals and how do they work? 13. Why have such portals lost their power in ensuring broadband retailers earn revenue from third-party content/service provision? 14. What were the business drivers behind mobile operator portals such as i-Mode? 15. How has Apple iPhone replaced mobile operator portals? 16. What is vertical integration within the context of the broadband telecommunications ecosystem? 17. What are the value propositions of the content delivery networks? 18. How can vertical integrated broadband operators discriminate against players without such alliances? Broadband Telecommunications Technologies and Management 19. What is the net neutrality concept and how does it apply to the provision of broadband content? 20. What are the net neutrality concerns of a broadband ISP? 21. Why do you think the net neutrality discussion is of great interest in the US and compar- atively less in most other countries? 22. What do you see as the main policy objective in net neutrality discussion? 23. What are the main business objectives in net neutrality discussion? References [1] Natsuno, T. (2003) i-Mode Strategy, John Wiley & Sons, Ltd. [2] Ciferri, L., Koeder, M. and Sugai, P. (2010) The Six Immutable Laws of Mobile Business, John Wiley & Sons, Ltd. [3] http://www.businessinsider.com.au/numbers-microsoft-skype-deal-2011-5, accessed 9 March 2015. [4] http://www.cnbc.com/id/101432344, accessed 9 March 2015. [5] | http://techcrunch.com/2014/03/11/if-whatsapp-is-worth-19b-then-wechats-worth-at-least-60b-says-clsa/, accessed 9 March 2015. [6] http://in.reuters.com/article/2014/07/15/uk-line-ipo-idINKBN0FK0T420140715, accessed 9 March 2015. [7] http://www.forbes.com/sites/ryanmac/2014/09/24/mobile-master-kakaotalk-creator-becomes-one-of-south- koreas-richest-billionaires/, accessed 9 March 2015. [8] www.fiercewireless.com/europe/story/report-operators-lost-139b-due-ott-messaging/2012-02-22, accessed 14 March 2014. [9] http://www.ovum.com/ott-voip-to-cost-telcos-479-billion-to-2020/, accessed 9 March 201