What is the relationship between Instacart and delivery in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Curbside pickup and last mile delivery services like Instacart grew the fastest, resulting in more than 90% of our e-commerce business going through our in-store fridge network.

Answer: industry