255 Microsoft Corporation; S. 148.5: Microsoft Corporation; S. 149.6: Microsoft Corporation; S. 149.7: Microsoft Corporation; S. 150: Geber86 / Getty Images; S. 151.1: Chattrawutt / Getty Images - iStockphoto; S. 151.2: DieterMeyrl / Getty Images; S. 152.2: GIMP; S. 152.3: GIMP; S. 152.1.1: Katja Rau, Berglen; S. 152.1.2: GIMP / Katja Rau, Berglen; S. 153.4: GIMP; S. 154.1: Bildwerkstatt Till Traub, Leonberg; S. 154.2.1: sankai / Getty Images; S. 154.2.2: sankai / Getty Images; S. 156.1: Maskot / Getty Images; S. 157.3: Petri Oeschger / Getty Images; S. 157.2.1: GIMP; S. 157.2.2: fotomorgana / Fotolia; S. 158.2,2: acilo / Getty Images; S. 158.2.1: acilo / Getty Images; S. 159: GIMP; S. 160.2.1: RAMISETTY PRIYASAHITHI / Shutterstock; S. 160.2.2: GIMP; S. 161: VGstockstudio / Shutterstock; S. 162.1: Ragnar Schmuck / Getty Images; S. 162.2: GIMP; S. 163: simpson33 / Getty Images - iStockphoto; S. 164.1: fstop123 / Getty Images; S. 165.2: Audacity; S. 165.3: Audacity; S. 165: Wavebreakmedia / Getty Images - iStockphoto; S. 167.3: Audacity; S. 168.1: lzf / Getty Images - iStockphoto; S. 168.2.1: Microsoft Corporation; S. 168.2.2: janifest / stock.adobe.com; S. 169.3.1: Microsoft Corporation; S. 169.3.2: janifest / stock.adobe.com; S. 170.2: GIMP; S. 172.1: Roman Valiev / Getty Images - iStockphoto; S. 173.2: HMVart / Getty Images; S. 174.1: hayatikayhan / Getty Images - iStockphoto; S. 174.2: Morsa Images / Getty Images; S. 174.1.7: Ikonoklast Fotografie / Shutterstock; S. 174.1.8: Diana Haronis / Getty Images; S. 174.1.9: Images say more about me than words. / Getty Images; S. 175.3: Morsa Images / Getty Images; S. 175.4: Morsa Images / Getty Images; S. 180: utah778 / Getty Images - iStockphoto; S. 181.1: tolgart / Getty Images - iStockphoto; S. 181.2: Erikona / Getty Images - iStockphoto; S. 181.3: Blue Planet Studio / Getty Images - iStockphoto; S. 181.4: lekkyjustdoit / Getty Images - iStockphoto; S. 184.1: Microsoft Corporation; S. 186.1.1: Ar Ducha Misfa‘i / Getty Images - iStockphoto; S. 186.1.2: Oleg Mishutin / Getty Images - iStockphoto; S. 186.1.3: CagriOner / Getty Images; S. 186.1.4: pictafolio / Getty Images; S. 187.2: Mozilla Corporation, Mountain View (Kalifornien); S. 188.1.1: John Elk / Getty Images; S. 188.1.2: pidjoe / Getty Images - iStockphoto; S. 188.1.3: 4x6 / Getty Images - iStockphoto; S. 188.1.4: Panptys / Getty Images - iStockphoto; S. 188.1.5: Irinavk / Getty Images - iStockphoto; S. 188.1.6: andresr / Getty Images; S. 189.2: Mozilla Corporation, Mountain View (Kalifornien); S. 190.1: Michael Prince / Getty Images; S. 190.2: Walter Fikisz, Baden; S. 192.1.1: Angelos Youssef / EyeEm / Getty Images; S. 192.1.2: Jamesmcq24 / Getty Images; S. 194: Saferinternet.at, Wien; S. 195: viewimage / Shutterstock; S. 196.1: CoffeeAndMilk / Getty Images; S. 196.2: serhiibobyk / stock.adobe. com; S. 196.3: Mike Kemp / Getty Images; S. 200.2: Donald Iain Smith / Getty Images; S. 201: Suzanne Tucker / Shutterstock; S. 202.1: Bluefish; S. 202.2: Peter Atkins / Fotolia; S. 203: Wavebreakmedia Ltd / Getty Images; S. 204.1: Google LLC, Kalifornien; S. 207.2: Sergey Nivens/ Shutterstock; S. 211.4: AP / Ursula Dahmen; S. 212.1: Thapana_Studio / Shutterstock; S. 218: sturti / Getty Images; S. 220: Govindanmarudhai / Getty Images; S. 220: Andrey Popov / Getty Images - iStockphoto; S. 221: LightField Studios / Shutterstock; S. 222: vgajic / Getty Images - iStockphoto; S. 223.1: monap / Getty Images; S. 223.2: filo / Getty Images; S. 223.3: Charles McQuillan / Freier Fotograf / Getty Images; ‚S. 223.4: alvarez / Getty Images; S. 224.1: Scratch - CC BY-SA 2.0 / https://creativecommons.org/licenses/by-sa/2.0/; S. 225.2: Scratch - CC BY-SA 2.0 / https://creativecommons.org/licenses/by-sa/2.0/; S. 225.3: Scratch - CC BY-SA 2.0 / https://creativecommons.org/ licenses/by-sa/2.0/; S. 228.1: Microsoft Corporation; S. 229: Aja Koska / Getty Images; S. 229: MAXSHOT.PL / Shutterstock; S. 230.1: georgeclerk / Getty Images - iStockphoto; S. 231.2: Microsoft Corporation; S. 232.1: Scratch - CC BY-SA 2.0 / https:// creativecommons.org/licenses/by-sa/2.0/; S. 233.2: Scratch - CC BY-SA 2.0 / https://creativecommons.org/licenses/by-sa/2.0/; S. 234.3: Scratch - CC BY-SA 2.0 / https://creativecommons.org/ licenses/by-sa/2.0/; S. 234.4: Scratch - CC BY-SA 2.0 / https:// creativecommons.org/licenses/by-sa/2.0/; S. 235.5: Scratch - CC BY-SA 2.0 / https://creativecommons.org/licenses/by-sa/2.0/; S. 235.6: Scratch - CC BY-SA 2.0 / https://creativecommons.org/ licenses/by-sa/2.0/; S. 235.7: Scratch - CC BY-SA 2.0 / https:// creativecommons.org/licenses/by-sa/2.0/; S. 235.8: Scratch - CC BY-SA 2.0 / https://creativecommons.org/licenses/by-sa/2.0/; S. 237.2: Scratch - CC BY-SA 2.0 / https://creativecommons.org/ licenses/by-sa/2.0/; S. 237.3: Scratch - CC BY-SA 2.0 / https:// creativecommons.org/licenses/by-sa/2.0/; S. 238.1: Scratch - CC BY-SA 2.0 / https://creativecommons.org/licenses/by-sa/2.0/; S. 238.2: Scratch - CC BY-SA 2.0 / https://creativecommons.org/ licenses/by-sa/2.0/; S. 239.3: Scratch - CC BY-SA 2.0 / https:// creativecommons.org/licenses/by-sa/2.0/; S. 239.4: Scratch - CC BY-SA 2.0 / https://creativecommons.org/licenses/by-sa/2.0/; S. 240.1: Scratch - CC BY-SA 2.0 / https://creativecommons.org/ licenses/by-sa/2.0/; S. 240.2: Scratch - CC BY-SA 2.0 / https:// creativecommons.org/licenses/by-sa/2.0/; S. 241.3: Scratch - CC BY-SA 2.0 / https://creativecommons.org/licenses/by-sa/2.0/; S. 241.4: Scratch - CC BY-SA 2.0 / https://creativecommons.org/ licenses/by-sa/2.0/; S. 242: Bildwerkstatt Till Traub, Leonberg *3 Lizenzbestimmungen zu CC-BY-SA-4.0 siehe: http:// creativecommons.org/licenses/by-sa/4.0/legalcode Nutzung der Screenshots von PowerPoint, Excel, Word, Outlook und Visual Basic mit freundlicher Genehmigung der Microsoft Corporation. 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