1) Name three industries mentioned in article that are being dramatically changed by twitter :

mobile or phone,news and internet industries

2) What is #hackedu?

A daylong conference in Manhattan devoted to education reform. Called Hacking Education, it was a small, private affair: 40-odd educators, entrepreneurs, scholars, philanthropists and venture capitalists, all engaged in a sprawling six-hour conversation about the future of schools and how education should look in a web 2.0 world.
 . Twenty years ago, the ideas exchanged in that conversation would have been confined to the minds of the participants. Ten years ago, a transcript might have been published weeks or months later on the Web. Five years ago, a handful of participants might have blogged about their experiences after the fact. anyone who wanted to post live commentary about the event via Twitter should include the word #hackedu in his 140 characters. At first, all these tweets came from inside the room and were created exclusively by conference participants tapping away on their laptops or BlackBerrys. But within half an hour or so, word began to seep out into the Twittersphere.

3) How is real-time search affecting search engines ? what moves are search engines doing as a reaction to growth of real-time information and search ?

Search Engines provide us with information that are kind of objective. on the other hand Twitter is a” more efficient supplier of the super-fresh Web than Google.”  As Jhonson said .  and for that, Google also has talked about partnering with Twitter on real-time results.
Google prepares to launch a service that indexes and ranks content from micro-blogging services like Twitter. This new product will sort results by relevancy, will be integrated with standard Google search, and will appear based on frequently-used keywords or current events.

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