After reading the blog, I came away with the sense that successfully mass producing the OI is a larger risk factor than competition. The market is so big, that I believe we can capture a meaningful share unless someone can beat our tech by daylight. 

Based on the blog comments, the market cap based on the potential is still way too low.  Plenty of companies have run very hot without nearly the potential of Poet. Poet barely lit the burners a few weeks ago. We're a long way from boiling.