Earlycareer spent as Tech Entrepreneur. Ran and founded first software company in1976.
The digital ad space hasn't really evolved as much as people would like, Sun Microsystems co-founder Scott McNealy tells CNBC.
Online advertising hasn't seen a "real breakthrough" that allows others to compete with Facebook and Google, Scott McNealy says.
"I've been talking lots of CEOs. I had one who said it very succinctly," Sun Microsystems co-founder Scott McNealy says.