Push ads are not essential but can be highly effective in running cart abandonment campaigns. They provide a direct and timely way to re-engage users who left items in their shopping cart without completing the purchase. Unlike emails, which may go unread, push notifications appear instantly on users' devices, increasing the chances of grabbing attention. With personalized messaging, discounts, or urgency triggers, push ads can nudge users to return and complete their transactions. However, they work best when used alongside other strategies like email retargeting, SMS, and remarketing ads. While not strictly necessary, push ads offer a powerful, cost-effective tool for reducing cart abandonment and improving conversions when integrated into a broader retargeting strategy. Could you share your thoughts as well?