Authors:

Every successful business, even Google, Facebook, Twitter, started with a combination of manual improvements and friends of the founders using the site.

"Step By Step Guide to Make $10 Million And Then Totally Blow It" by James Altucher, www.huffingtonpost.com. August 2, 2017.
Every successful business, even Google, Facebook, Twitter, started with a combination of manual improvements and friends of the founders using the site.