On the TechTO stage ×1
First seen on the TechTO stage in 2016. Every talk is searchable — ask the archive about David ↗
In their words
a great product that worked but with no market and so that was a really valuable lesson
I'm sure your mother is very nice but if she's not in your demographic her opinion doesn't really count
if five people are telling me the same thing it's valid if one person tells me maybe not so much if it's my mother not so much
Around the web ×1
Quick answers
What is David Lifson known for?
Founding Skrumble in 2014 with Eric Lifson, a Toronto communications app for small businesses. A long-time telecom entrepreneur, he earlier built prepaid calling-card and long-distance phone ventures across four exits.
What did David Lifson say about product-market fit at TechTO?
Talk to a shortlist of target customers, build to what they tell you, iterate in small steps, then widen to parallel markets. He treats a signal as valid only when several customers repeat it, not one.
What happened to Skrumble?
It stayed a small business-communications company and in 2018 launched Skrumble Network, a blockchain communications protocol that raised about C$19M in a token sale. The core company is now thinly staffed and its current activity is unclear.