Rav Dhaliwal is an investor and venture partner at Crane Venture Partners, and he wrote an article recently called, There’s no such thing as post sales. You might be thinking, as I was thinking, “Wait a minute, of course there’s post sales. We have pre-sales (marketing and sales), which is everything that happens before the sales is made. And then there is post sales (customer success, professional services, support), which is everything that happens after the sale.”