Years later, Steve Blank and Eric Ries would dub this a “minimum viable product” (MVP). For LinkedIn, the MVP included a user’s professional profile,… - Reid Hoffman

In addition to seeking help on an ad hoc basis, I believe it’s a good idea to be systematic about learning from others. I advise entrepreneurs to have a personal board of advisers or “board of directors” who can proffer advice and help you fill the gaps in your knowledge. For example, I have a set of informal advisers who help me learn about the areas that matter to me, including very specific topics like virality or people management. If you’re serious about someday blitzscaling a company, you should think of your mentors as a board of directors. Regularly report to them on your progress, and ask them how you can do better.

Don’t try a second channel until you have your main flywheel working. Most successful companies dominate one channel.

Viral” distribution occurs when the users of a product bring more users, and those users bring additional users, and so on, much like an infectious virus spreads from host to host. Virality can either be organic — occurring during the course of normal usage of the product — or incentivized by some kind of reward.