Utilize the input text as a context reference, choose the right relationship between Instacart and delivery from the options. Options: 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.

In the gig economy food and grocery delivery category, we have seen a nearly 50% growth in transactions from pre-COVID levels and have continued to add new program launches such as Instacart for shopper earnings payouts in Canada.

Answer: industry