Stop to take some photos before continuing up Collins Street, turning right onto Exhibition Street and then taking the next right down Flinders Lane.

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Meanwhile, those who just use their smartphones to make calls, update their social networks, take photos and watch some videos are, possibly, having more fun than we are because at the end of the day they don't care how they got there.

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So similar were the tasks of his upcoming job that he thought he would not only clear his desk at Goldman of his family photos, but also take some of the source computer code with him.

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So for example, Foursquare might some day be able to let users take photos in-app and upload them into Facebook photo albums.

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Some of them merely do it to observe and take photos but an uncaring minority want to cause damage or remove a souvenir.

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"The fish-eye camera does allow you to get some amazing views, and it allows you to take photos a little bit more aggressively because you don't need to stop and aim as well, " Fredinburg tells TIME.

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Indeed, while some shop, many visitors simply hang out, chat with friends and take photos in front of the many nostalgic backdrops.

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Christopher Falkenberg, president at Insite Security Inc. and former Special Agent of the United States Secret Service, cautions that it will take some time to know what had happened in Boston, but suggested that judging from photos and video the devices were small, and possibly home-made.

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Christopher Falkenberg, president at Insite Security Inc. and a former special agent with the United States Secret Service, cautioned that it will take some time to know what had happened in Boston, but suggested that judging from photos and video the devices were small, and possibly home-made.

FORBES: This post was last updated on Monday, April 15 at 11 PM ET.