App Downloads - http://www.businessofapps.com/app-usage-statistics-2015/
Umsatz Apple-AppStore - http://www.statista.com/statistics/296226/annual-apple-app-store-revenue/
Umsatz Google PlayStore - http://www.statista.com/statistics/444476/google-play-annual-revenue/
WhatsApp - http://www.bbc.co.uk/newsbeat/article/30706412/whatsapp-record-number-of-messages-sent-each-day
SMS - http://www.telegraph.co.uk/technology/news/11340321/WhatsApp-overtakes-text-messages.html
Telegram - http://neurogadget.com/2015/08/18/telegram-users-exchange-more-than-10-billion-messages-daily/12818
Facebook Messenger - http://mashable.com/2016/01/07/facebook-messenger-users/#3ml5KRUEdSqx
Instagram - http://blog.hootsuite.com/instagram-statistics-for-business/
Youtube (estimation) - https://www.youtube.com/yt/press/statistics.html, http://www.statisticbrain.com/youtube-statistics/
Vine - https://gigaom.com/2015/01/26/vine-rings-in-its-second-year-by-hitting-1-5-billion-daily-loops/
Snapchat - https://photoworld.com/how-big-is-snapchat/
Candy Crush - http://company.king.com/news-and-media/content-hub/content/article-list/games-stats-and-facts-infographic/
QuizDuell - Exklusive Daten von QuizDuell
Duolingo - Exklusive Daten von Duolingo
Tinder - http://pagesix.com/2015/06/21/tinder-chief-boasts-apps-8-billion-matches/
Facebook-Beziehungsstatus http://insights.fb.com/2014/11/11/life-stages-newlyweds/
Runtastic - Exklusive Daten von Runtastic
Lieferheld - Exklusive Daten zu Bestellungen von Lieferheld + durchschnittliche Kalorien der Top3 bestellten Gerichte: Pizza Salami + Marghartia: www.yazio.com/ Döner - http://www.kalorien-guide.de/suess-herzhaft/doener.html
Spotify - http://www.statista.com/statistics/367739/spotify-global-mau/+http://www.engadget.com/2015/01/12/spotify-listening-shifts-to-mobile/ + Interne Daten von Spotify
Shazam - http://news.shazam.com/pressreleases/shazam-announces-faster-recognition-time-in-app-search-and-over-2-billion-followers-1264334
kaufDA - Interne Daten
Chefkoch - http://www.gujmedia.de/mobile/portfolio/chefkochde-mobil/aktuelle-reichweite/


Quellen für die Infotexte:
Kommunikation - https://www.tagesschau.de/inland/smartphone-sucht-101.html
Soziale Netzwerke - http://wearesocial.com/fr/etudes/rapport-digital-social-mobile-aout-2015
Spielen und Lernen - http://venturebeat.com/2016/02/10/mobile-games-hit-34-8b-in-2015-taking-85-of-all-app-revenues/
Liebe und Partnerschaft - http://www.welt.de/partnerschaft/article140603013/42-Prozent-aller-Tinder-Nutzer-sind-bereits-liiert.html
Freizeit - Interne Daten von Runtastic und Lieferheld
Lifestyle - http://www.stern.de/tv/iphone-und-co--im-alltag--wie-das-leben-noch-ohne-smartphones-war-6520342.html

Quellen für die Bilder:
Kommunikation - http://www.shutterstock.com/pic-291472574.html
Soziale Netzwerke - http://www.shutterstock.com/pic-322192988.html
Spielen und Lernen - http://www.shutterstock.com/pic-37955968.html
Liebe und Partnerschaft - http://www.shutterstock.com/pic-165772163.html
Freizeit - http://www.shutterstock.com/pic-251920462.html
Lifestyle - www.shutterstock.com/pic-323956496.html
WhatsApp - Icons made by Freepik from www.flaticon.com is licensed by CC 3.0 BY
SMS - Icons made by SimpleIcon from www.flaticon.com is licensed by CC 3.0 BY
Telegram - Icons made by Designerz Base from www.flaticon.com is licensed by CC 3.0 BY
Facebook Messenger - Icons made by Freepik from www.flaticon.com is licensed by CC 3.0 BY
Instagram - Icons made by Freepik from www.flaticon.com is licensed by CC 3.0 BY
Youtube (estimation) - Icons made by Freepik from www.flaticon.com is licensed by CC 3.0 BY
Vine - Icons made by Freepik from www.flaticon.com is licensed by CC 3.0 BY
Snapchat - https://www.snapchat.com/brand-guidelines Candy Crush -
Tinder - Icons made by Freepik from www.flaticon.com is licensed by CC 3.0 BY
Facebook-Beziehungsstatus Icons made by Freepik from www.flaticon.com is licensed by CC 3.0 BY
Spotify - Icons made by Elegant Themes from www.flaticon.com is licensed by CC 3.0 BY
Shazam - http://icons.webtoolhub.com/icon-n89254-detail.aspx