For brands, push notifications are a valuable marketing channel. New products, special discounts, email signups, and more can be pushed to your prospective customers as they browse your website. For your users, on the other hand, push notifications can be downright annoying. There’s nothing quite as irritating as an intrusive window that pops up when you least expect it. A poorly-crafted push notification repels customers, losing you potential sales in the process. But it doesn’t…