How did technology allow this product to exist?

Listen to Door Dash and answer these questions in about 200 words:1. What was the problem?2. How did technology allow this product to exist?3. Have you ever used Door-Dash? Why? 4. Based on the founders plans for the future from the time Door-Dash was started do you think they have been able to realize that visionthe link to the podcasthttps://www.npr.org/2018/11/09/666295686/doordash-tony-xu