From: CB Insights (https://www.cbinsights.com/)

In his presentation at 500 Startups’ PreMoney conference, Manu Kumar of K9 Ventures said seed deals have been growing in size and going to relatively advanced startups, leaving a gap that might be filled by pre-seed financing:
“In a way I see the same gap that emerged in 2009 and 2010, which led to the formation of all these seed funds, I see a very similar gap emerging today, mostly around the pre-seed stage.”

For more informations access: https://www.cbinsights.com/blog/pre-seed-venture-capital/