Brex and Zendesk crunched their customer data and created a presentation to help startups jolted by crashing sales. Here's what they learned.

· Brex, the fintech startup that sells primarily to other startups, just shared its framework for handling customer support during the economic crisis.
· Many startups have been advised by investors and advisors to cut costs and extend their runway, but without clear guidance on how to do so while maintaining customer...