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Lee Dryburgh has been organising a great telecom conference called Ecomm for the last two years. It specifically excludes people pitching their products and only gives sponsors a speaking slot if they have something to say. http://ecomm.ec/
I was lucky enough to speak on the Amsterdam version. I had a 7.5 minute slot to tell my story on why all telecom marketing and product management is wrong and another slot on another day on why voip won't be free anytime soon. I thought the format worked great because of the short pitches of the idea, instead of the usual BS on market shares etc.
I'm the author of the piece. Most comments in my opinion make the mistake of saying: I want this or that to be my identifier. Or I don't want a universal identifier.
The reality is: there are two identifiers that are on most business cards. Phone numbers and e-mail adresses. Both could be used in a much more advanced way. No matter which way you look at it the telephone number won't go away. ENUM would enable you to use it in multiple ways.
Cellphone traffic data has to be stored for 6-24 months in the EU, exactly for this reason. It's useful for law enforcement. The Dutch Parliament yesterday accepted a law that requires this data to be stored for 12 months (who called who, where). Internet data (who used what IP-adress at what moment, who mailed who, but not what websites were visited, gmail, twitter etc.) will only need to be stored for 6 months.
The best things in life go on sale sooner or later.