Webvan
An example of a dot-com bubble company that failed but whose concept was later realized.
Common Themes
Videos Mentioning Webvan

Elad Gil Shares Advice from the High Growth Handbook, a Guide to Scaling Startups
Y Combinator
A company from the dot-com bubble that failed after raising over a billion dollars, but whose concept was later reinvented by Instacart.

Apoorva Mehta at Startup School NY 2014
Y Combinator
A previous online grocery delivery company that failed, serving as a cautionary tale for investors considering Instacart.

Diane Greene at Startup School 2013
Y Combinator
A dot-com era company that, along with others like Toys.com and Pets.com, created a cautious market environment for new startups.

Matt Ridley: How Innovation Works, Part 1
Naval
An example of a dot-com bubble company that failed but whose concept was later realized.

The Person I Call Most for Startup Advice — Naval Ravikant
Tim Ferriss
A failed grocery delivery service from the late 90s in which Sequoia Capital had invested.

How To Change The World? Get The Small Things Right – Dalton Caldwell and Michael Seibel
Y Combinator
Mentioned as a predecessor to grocery delivery services like Instacart, whose failure founders should learn from.