>Before AWS it took thousands of people and billions in capital investment to do so.
WhatsApp Stats (2014):
- 450 million active users, and reached that number faster than any other company in history.
- 50 billion messages every day across seven platforms (inbound + outbound)
- 32 engineers, one developer supports 14 million active users
- $60 million investment from Sequoia Capital
Which they managed their own FreeBSD servers hosted on SoftLayer.
[1] http://highscalability.com/blog/2014/2/26/the-whatsapp-archi...
YouTube (2008):
"YouTube grew incredibly fast, to over 100 million video views per day, with only a handful of people responsible for scaling the site"
- 2 sysadmins, 2 scalability software architects
- 2 feature developers, 2 network engineers, 1 DBA
"They went to a colocation arrangement. Now they can customize everything and negotiate their own contracts."
"Sequoia invested a total of $11.5 million in two separate rounds and was the only venture firm to invest in the company." [3]
[2] http://highscalability.com/youtube-architecture
[3] https://www.nytimes.com/2006/10/09/business/09cnd-deal.html