Guest post by Jay Samit (@jaysamit), a serial entrepreneur and author of the bestselling book Disrupt You! Your career is going to be disrupted.  I guarantee it.  Office automation is expected to make 40% of the current workforce obsolete by 2020.  3D printing is anticipated to eliminate 320 manufacturing jobs; further impacting the millions of truck drivers replaced by autonomous vehicles.  We are now living in an era of endless innovation where technology continues accelerating exponentially while businesses struggle to…