Numbers for thought Playing a thought game, let us say the money is supposed to last 18 months till the next round (with a higher valuation!?) Let us also assu

Numbers for thought Playing a thought game, let us say the money is supposed to last 18 months till the next round (with a higher valuation!?) Let us also assume engineers cost a flat rate of 100,000 per year. 120,000,000 dollars / 1.5 years (18 months) / 100,000 per engineer per year = 800 engineers for 18 months or 400 for 3 years Pinterest: 31 employees http://pinterest.com/about/team/ http://pinterest.com/about/team/ 2.9 million DAU (Daily active users) 11.4 million MAU (Monthly active users) http://www.appdata.com/apps/facebook/274266067164-pinterest http://www.appdata.com/apps/facebook/274266067164-pinterest Instagram: 13 employees 2.0 million DAU 16.8 million MAU http://www.appdata.com/apps/facebook/124024574287414-instagram http://www.appdata.com/apps/facebook/124024574287414-instagr... They must envision hyper growth continuing ~14% a month (to see 10x increase over 18 months).