Goodwall Self-improvement's post on Goodwall - He started a wearable technology company called Digital Dudz that combined smartphones playing a video with clothing. Mark left NASA to grow the business for 2 years and after selling Digital Dudz to a company in the UK, he has recently decided to return to his Engineering roots. Mark Rober is a YouTuber and former NASA Engineer turned Inventor/Entrepreneur. Watch Now: https://www.youtube.com/watch?v=L1kbrlZRDvU #selfimprovement #ideas