Original sentence: On the 3rd of April, 2009, T-Mobile, the largest German mobile telecommunication company, announced that it is blocking Skype, a key application for voice communication on the Internet which is known to consume a small amount of bandwidth.Skype's defenders allege that T-Mobile's decision was not based on any real needs of traffic management or Quality of Service, but was rather a case of discrimination by content.The economic contention here is that competition in the market would be distorted if T-Mobile were to block Skype and not, for example, Microsoft's MSN Messenger
Edited sentence: He wanted to ask them a fee, but after a protest of the public opinion he changed his mind.In this case T-Mobile discriminated by content.On the 3rd of April T-Mobile the largest German mobile telecommunication company announced they are blocking Skype, even though Skype is both a key application for voice communication on the Internet and is known to consume a small amount of bandwidth.The economic issue here is that there is a distortion of the competition on the market if T-Mobile will block Skype and, for example, not Msn Messenger.Therefore it is obvious the decision was not based on any real need of traffic management or Quality of Service issue.This is one of the most quoted example by Lawrence Lessig.Whitacre, former CEO of At&T, proposed to throttle YouTube because they are using the pipe without paying