Besides your own Lists, the picker offers these dynamic segments of your registered customers:

• E-commerce: All Users; People without checkouts in less than a week (<7 days); People without checkouts over a month (>31 days); Checkouts in the Previous week (two entries covering the last two Sunday–Saturday weeks, with dates shown); Checkouts in the Previous month; People who have never Purchased; People with Checkouts within this week; A la carte; People who have redeemed discount codes; People who have not ordered in 6 months; People who have not ordered in a year.
• Subscriptions: Subscription customers who haven't select meals for upcoming deliveries; All Users With Active Subscription; All Users With Paused Subscription; All Users With Cancelled Subscription; All Users Whose Subscription Failed To Renew; plus one entry per subscription plan group.
• Ordering Systems: one entry per enabled ordering module, e.g. Catering on X day (Select day on next field).
• Deliveries / Pickup: Delivery/Pickup yesterday, today, tomorrow and the next six days (dates shown), plus Delivery/Pickup on X Day (Select day on next field).
• Bag Tracking: People who have an unreturned bags; People with undelivered bags.
• Loyalty: People with Digital Balance <=> X; People with a birthday; People who made more than X checkouts; People who referred someone; Affiliates; Referee who never made a purchase.
• Lead Forms: one entry per lead form that has a required email field – the email addresses submitted through that form.

Segments are evaluated when you save the campaign, so the audience reflects your data at that moment.