Tech expert Arun Maini is the latest creator to sign with Dallas-based talent management company Night Media. Maini, whose YouTube channel Mrwhosetheboss Maini, whose YouTube channel Mrwhosetheboss has 7.2 million subscribers and nets around 40 million views a month, is known for being a smartphone specialist. Each week he drops uploads where he reviews fresh gear, gives advice about new features or potential dangers, and sometimes even unboxes $200,000 caviar-themed, gold-plated phones (below).