With Twitter surging on its first day of trading, there are lots of people who are suddenly #filthyrich.
Twitter's IPO is confidential, so its financial information won't be immediately released to the public.
Twitter filed for its initial public offering in secret. Here's how and why they did it.
Dick Costolo, Twitter's CEO, gave management advice to startup founders at TechCrunch Disrupt.
Once Twitter is public, it will be under pressure to make even more money from its 200 million users.