850
Reddit’s IPO Filing Shows Lots Of Losses After Nearly 20 Years
(www.forbes.com)
This is a most excellent place for technology news and articles.
I am not a CFO but I believe essentially by eating into cash reserves and accumulating debt. Also there is some wizardry when you work out operating profit / EBIT.
Earnings vs Debt
Someone more financially competent may want to offer a more accurate answer.