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"Welcome to this morning\u2019s edition of \u201CFirst To Know,\u201D a series in which we keep you in the know on what\u2019s happening in the digital world. Today, we\u2019re looking at three particularly interesting stories.\nElon Musk Plans Tourist Trips to Mars\nPayPal, Tesla Motors and SpaceX co-founder Elon Musk claims he has figured out a way to send tourists to Mars in 10-15 years, at a price of half a million dollars per person. \n\"My vision is for a fully reusable rocket transport system between Earth and Mars that is able to re-fuel on Mars,\" Musk said, adding he will probably unveil more details about the strategy later this year. \nEU Admits It Should Have Been More Communicative About ACTA\nMaros Sefcovic, a European Commission vice-president, has admitted the EU has made several mistakes regarding the controversial Anti Counterfeiting Trade Agreement or ACTA, the EU Observer reports. \"We saw how our absence in the world of social media on this particular topic caused us a lot of troubles,\u201D Sefcovic said.\n\u201CI think this is a lesson for all of us that we have to be much more active and in a much more communicative mood when it comes to such sensitive topics in the future,\u201D he added.\nTwitter's 6th Birthday\nExactly six years ago, on March 21, 2006, Jack Dorsey tweeted the first ever tweet on Twitter. \"Just setting up my twttr,\" he wrote, marking the start of one of the most successful social networking services ever. Today, Twitter has more than 500 million users, with over 100 million active users. \nImage courtesy of iStockphoto, mattjeacock"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/03/21/tourist-trips-to-mars-eu-acta/>