Tesla -- we&#x27;ll see in 10 years, but looks good.<p>SpaceX -- great business model... get massive government contracts, hire ex-government employees, and pretend that you&#x27;re not dependent on the government.<p>Paypal -- basically a luckbox.<p>Heroku -- commodity, getting eaten alive.<p>Reddit -- going strong.<p>Optimizely -- commodity, trouble hitting numbers, getting crushed.<p>Stripe -- commodity, failed to grow substantially beyond MMP, going to be eaten alive.