20 hours per week 20 hours per week 23 hours 23 hours [Americans Spend 23 Hours Per Week Online, Texting] 23 hours average of 23 hours a week 23 hours three hours playing video games 23 hours a week emailing, texting, or using social media 23 hours 23 hours a week emailing, texting, or using social media 23 hours 23 hours Business New Daily Business News Daily businessnewsdaily.com three hours online New research 23 hours