From a 1986 Fortune article: "With pretax profits running as high as 34% of revenues, Microsoft needed no outside money to expand."
[1] http://fortune.com/2011/03/13/inside-the-deal-that-made-bill...
[1] http://fortune.com/2011/03/13/inside-the-deal-that-made-bill...
If Twilio raises their prices, will they make more money? Or will it cause people to not use Twilio, either opting for competing free services or using alternatives to SMS entirely? I don't know, and I don't think Twilio does either; hence the profitability risk.