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Couverture : JordanAnthony / CC-BY 2.0 / http://www.flickr.com/photos/jrproductions2012/8271988134/
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Page 17 : leyla.a / CC-BY-SA 2.0 / http://www.flickr.com/photos/leyla_arsan/5224617038/
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Page 18 : niXerKG / CC-BY-ND 2.0 / http://www.flickr.com/photos/kgnixer/5834766003/
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Page 19 : believekevin / CC-BY 2.0 / http://www.flickr.com/photos/believekevin/5986383124/
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Page 20 : zoonabar / CC-BY-SA 2.0 / http://www.flickr.com/photos/zoonabar/7135051675/
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Page 22 : supervillain / CC-BY 2.0 / http://www.flickr.com/photos/jarkko/177400227/
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Page 24 : zoonabar / CC-BY-SA 2.0 / http://www.flickr.com/photos/zoonabar/7303341392/
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Page 26 : coolfonzies / CC-BY-ND 2.0 / http://www.flickr.com/photos/80933185@N00/64231899/
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Page 27 : tracitodd / CC-BY 2.0 / http://www.flickr.com/photos/kyshuttergirl/2295951247/
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Page 27 : arvindgrover / CC-BY-SA 2.0 / http://www.flickr.com/photos/arvindgrover/4638276207/
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Page 29 : miss karen / CC-BY 2.0 / http://www.flickr.com/photos/misbehave/2352753067/
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Page 30 : Phillie Casablanca / CC-BY 2.0 / http://www.flickr.com/photos/philliecasablanca/3344142642/
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Page 32 : David 23 / CC-BY-SA 2.0 / http://www.flickr.com/photos/david23/4050039831/
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Page 33 : tiseb / CC-BY 2.0 / http://www.flickr.com/photos/tiseb/3819769117/
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Page 34 : dgray_xplane / CC-BY-ND 2.0 / http://www.flickr.com/photos/davegray/5429942502/
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Page 36 : Leonardo Rizzi / CC-BY-SA 2.0 / http://www.flickr.com/photos/stars6/4381851322/
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Page 39 : adamdachis / CC-BY 2.0 / http://www.flickr.com/photos/dachis/8464574202/
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Page 40 : dneighbo / CC-BY 2.0 / http://www.flickr.com/photos/neighbors/5822181041/
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Page 41 : Dell's Official Flickr Page / CC-BY 2.0 / http://www.flickr.com/photos/dellphotos/8430832180/
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Page 43 : Kheel Center, Cornell University / CC-BY 2.0 / http://www.flickr.com/photos/kheelcenter/5278909041/
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Page 44 : skunks / CC-BY-ND 2.0 / http://www.flickr.com/photos/skunks/193630534/
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Page 45 : star5112 / CC-BY-SA 2.0 / http://www.flickr.com/photos/johnjoh/385028485/
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Page 47 : Ol.v!er [H2vPk] / CC-BY 2.0 / http://www.flickr.com/photos/smallbox/175636047/
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Page 48 : kevin dooley / CC-BY 2.0 / http://www.flickr.com/photos/pagedooley/6861256042/
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Page 49 : pfig / CC-BY-SA 2.0 / http://www.flickr.com/photos/pfig/31006697/
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Page 51 : Infusionsoft / CC-BY-SA 2.0 / http://www.flickr.com/photos/infusionsoft/4484373179/
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Page 52 : supervillain / CC-BY 2.0 / http://www.flickr.com/photos/jarkko/160766063/
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Page 55 : supervillain / CC-BY 2.0 / http://www.flickr.com/photos/jarkko/160767063/
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Page 57 : Don Fulano / CC-BY-SA 2.0 / http://www.flickr.com/photos/ultimateslug/109566859/
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Page 58 : CraigMoulding / CC-BY-SA 2.0 / http://www.flickr.com/photos/craigmoulding/8399214678/
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Page 59 : Miala / CC-BY-SA 2.0 / http://www.flickr.com/photos/miala/19542360/
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Page 60 : gardnergp / CC-BY 2.0 / http://www.flickr.com/photos/gpgardner/5712156072/
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Page 61 : tommypjr / CC-BY 2.0 / http://www.flickr.com/photos/tommypayne/7089462891/
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Page 63 : star5112 / CC-BY-SA 2.0 / http://www.flickr.com/photos/johnjoh/368511808/
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Page 64 : Dell's Official Flickr Page / CC-BY 2.0 / http://www.flickr.com/photos/dellphotos/8340162440/
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Page 65 : UNU-ViE_SCIENTIA / CC-BY 2.0 / http://www.flickr.com/photos/43539660@N02/5260769810/
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Page 65 : Dell's Official Flickr Page / CC-BY 2.0 / http://www.flickr.com/photos/dellphotos/8531174357/
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Page 66 : ginsnob / CC-BY-SA 2.0 / http://www.flickr.com/photos/ginsnob/2522920772/
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Page 67 : irrezolut / CC-BY-SA 2.0 / http://www.flickr.com/photos/irrezolut/2311904560/
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Page 68 : Dell's Official Flickr Page / CC-BY 2.0 / http://www.flickr.com/photos/dellphotos/8245577054/
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Page 71 : star5112 / CC-BY-SA 2.0 / http://www.flickr.com/photos/johnjoh/368511463/
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Page 73 : Alan Cleaver / CC-BY 2.0 / http://www.flickr.com/photos/alancleaver/4118367546/
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Page 74 : ell brown / CC-BY 2.0 / http://www.flickr.com/photos/ell-r-brown/5026593710/
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Page 75 : Marco Mayer / CC-BY-ND 2.0 / http://www.flickr.com/photos/marcomayer/6679823853/
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Page 79 : Tim Patterson / CC-BY-SA 2.0 / http://www.flickr.com/photos/timpatterson/2110002918/
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Page 80 : star5112 / CC-BY-SA 2.0 / http://www.flickr.com/photos/johnjoh/376273259/
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Page 82 : HazPhotos / CC-BY-ND 2.0 / http://www.flickr.com/photos/hazphotos/3173134848/
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Page 82 : maveric2003 / CC-BY 2.0 / http://www.flickr.com/photos/maveric2003/3728184931/
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Page 83 : morgan.davis / CC-BY 2.0 / http://www.flickr.com/photos/morgandavis/7459273918/
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Page 84 : / CC-BY-SA 2.0 / http://www.flickr.com/photos/jepoirrier/8206441823/
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Page 91 : lululemon athletica / CC-BY 2.0 / http://www.flickr.com/photos/lululemonathletica/3462844163/
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Page 92 : Phil and Pam / CC-BY 2.0 / http://www.flickr.com/photos/philandpam/2242407835/
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Page 95 : Jake Sutton / CC-BY-SA 2.0 / http://www.flickr.com/photos/jakesutton/2344906785/
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Page 96 : Norman Lear Center / CC-BY 2.0 / http://www.flickr.com/photos/83665349@N00/5261562914/
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Page 99 : Alan Cleaver / CC-BY 2.0 / http://www.flickr.com/photos/alancleaver/2581218229/
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Page 103 : Alex E. Proimos / CC-BY 2.0 / http://www.flickr.com/photos/proimos/4199675334/
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Page 104 : Gavin Llewellyn / CC-BY 2.0 / http://www.flickr.com/photos/gavinjllewellyn/6826303487/
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Page 108 : Dell's Official Flickr Page / CC-BY 2.0 / http://www.flickr.com/photos/dellphotos/8071879935/
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Page 109 : jurvetson / CC-BY 2.0 / http://www.flickr.com/photos/jurvetson/8456186741/
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Page 110 : Tatiana12 / CC-BY 2.0 / http://www.flickr.com/photos/stella12/6191458404/
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Page 112 : betsyweber / CC-BY 2.0 / http://www.flickr.com/photos/betsyweber/5052764617/
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Page 113 : goldberg / CC-BY-SA 2.0 / http://www.flickr.com/photos/goldberg/68560171/
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Page 115 : itupictures / CC-BY 2.0 / http://www.flickr.com/photos/itupictures/8086203910/
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Page 117 : Center for International Private Enterprise / CC-BY 2.0 / http://www.flickr.com/photos/58251111@N06/8488601237/
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Page 118 : / CC-BY 2.0 / http://www.flickr.com/photos/microsoftsweden/5395284066/
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Page 120 : trekkyandy / CC-BY-SA 2.0 / http://www.flickr.com/photos/trekkyandy/309494981/
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Page 121 : Ministère du Travail, de l'Emploi et de la santé / CC-BY-ND 2.0 / http://www.flickr.com/photos/ministere-du-travail/3927714059/
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Page 127 : MiiiSH / CC-BY 2.0 / http://www.flickr.com/photos/mishism/5371074626/
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Page 129 : Office Now / CC-BY 2.0 / http://www.flickr.com/photos/officenow/2630719057/
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Page 130 : Francesco Fiondella / CC-BY 2.0 / http://www.flickr.com/photos/fiondella/6207498805/
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Page 132 : David Jackmanson / CC-BY 2.0 / http://www.flickr.com/photos/djackmanson/192589023/
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Page 133 : USB / CC-BY-SA 2.0 / http://www.flickr.com/photos/abbot45/131574725/
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Page 134 : / CC-BY 2.0 / http://www.flickr.com/photos/russelljsmith/4301023158/
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Page 135 : david_shankbone / CC-BY 2.0 / http://www.flickr.com/photos/shankbone/6176676872/
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Page 136 : Môsieur J. [version 8.0] / CC-BY 2.0 / http://www.flickr.com/photos/jblndl/2502573873/
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Page 137 : cogdogblog / CC-BY-SA 2.0 / http://www.flickr.com/photos/cogdog/6054811/
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Page 138 : Rande Archer / CC-BY-ND 2.0 / http://www.flickr.com/photos/randearcher/5330791938/
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Page 141 : Binder.donedat / CC-BY-ND 2.0 / http://www.flickr.com/photos/binderdonedat/8363274861/
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Page 143 : elefevre7 / CC-BY-SA 2.0 / http://www.flickr.com/photos/elefevre/4699194322/
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Page 149 : anitakhart / CC-BY-SA 2.0 / http://www.flickr.com/photos/anitakhart/4795585450/
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Page 150 : coolinsights / CC-BY 2.0 / http://www.flickr.com/photos/coolinsights/8681717133/