February 9, 2015 Published by Kunbi Tinuoye at February 9, 2015Categories Featured Reviews Science & TechMarques Brownlee: meet the 21-year-old tech prodigy taking YouTube by stormMarques Brownlee is a YouTube superstar. The 21-year-old sensation has over 2.2 million subscribers to his channel, MKBHD, which has gotten more than 200 million views since its […]