hacker?, can what is he?

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He said it was electronic frontier Hacker,now in Indonesia if the hacker was able to make anything other than deface, vulnerable and bug hunting? meaning that can be used for a wide audience not just for users and users of computers and the Internet. If anyone can make electronic devices that are useful and innovative for many people it is not a new name can only REAL HACKER existing stalking and sought its ugliness. Wake up guys hackers also need to eat and fees for online, rather than aspire to be hackers that are not clear.I wanted to ask you all whether hackers are always mean-spirited in this virtual world?