IMAGE AND ILLUSTRATION CREDITS
pvi, vii, 4 Idea design – © Johavel/istockphoto.com
pvi, vii, 4 Bubbles for speech – © Ferdiperdozniy/istockphoto.com
pviii, ix, 100 Bulb idea – © Johavel/istockphoto.com
p2, 23 Brain – © Tortuga/shutterstock.com
p2 Bonsai – © Prodepran/istockphoto.com
p6 Happy businessman with checklist – © Antoniu/istockphoto.com
p8 Abstract 2015 calendar template – Kaca1 © /istockphoto.com
p15 Positive thinking – © Nuranvectorgirl/istockphoto.com
p16, 17 Human cells – © Ttsz/istockphoto.com
p21 Help – © Suat Gürsözlü/istockphoto.com
p23 Legs – © RamCreativ/istockphoto.com
p27 Musical notes – © Gun2becontinued/istockphoto.com
p34 Switch – © Vertyr/istockphoto.com
p41 Black cat in a bunny suit © Vivienstock/thinkstockphotos.co.uk
p49 Silhouette street violinist – © Aarrows/istockphoto.com
p51 Savings – © Nousha/istockphoto.com
p55 Man with loudspeaker – © Puruan/istockphoto.com
p56 Businessman debt – © Wissanu99/istockphoto.com
p58 Businessman listening to music – © Jack191/istockphoto.com
p59 Pudding jelly – © Yitewang/istockphoto.com
p63 Arrow background – © Mattjeacock/istockphoto.com
p65 Calendar – © Dacian_G/istockphoto.com
p65 Stopwatch – © Gheatza/istockphoto.com
p68 Notepad and pen – © Gmast3r/istockphoto.com
p81 Question mark created from cog wheels – © Muuraa/istockphoto.com
p90 Ballpoint pen – © Vtis/istockphoto.com
p92 Light bulb with long wire – © Owat Tasai/istockphoto.com
p95 Boiled egg – © SimonDGCrinks/istockphoto.com ...
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