We don't really know what a successful tech company looks like over longer than 5 or 10 years, because no-ones ever stayed dominant longer than that. Perhaps IB

We don't really know what a successful tech company looks like over longer than 5 or 10 years, because no-ones ever stayed dominant longer than that. Perhaps IBM is the only model - greatness that fades to a reasonable profitable longevity. Perhaps thats the only way to go long term?