No, your attention to the issue is about a decade out of date. Amazon hasn't been losing money for years; they posted over $200 million profit for 2008. They

No, your attention to the issue is about a decade out of date. Amazon hasn't been losing money for years; they posted over $200 million profit for 2008. They had a working revenue stream, which meant that when they'd reached a point of sufficient growth, they had a slew of things they could reasonably adjust to achieve profitability. Twitter has no revenue stream. Twitter can't change prices or restrict spending to become profitable - it has no prices! They would have to actually create a business in order to become profitable.