OK, let's get some numbers out for a typical "not selling anything for money" startup: - First 1000 users means nothing whatsoever. - 10,000 users means nothin

OK, let's get some numbers out for a typical "not selling anything for money" startup: - First 1000 users means nothing whatsoever. - 10,000 users means nothing. - If 100,000 free users take 2 years, you should shut down. - When you double every, say, 3,4 months above 10,000 users, you're doing great. - Active users (used service in past month) are what matter, not signed-up users. If it's a for-pay service, ignore above, then you can just calculate the $$