Sandra and Glenn see Zephra sending them coupons based on their search history as evidence of a sinister conspiracy. In Employee App (2020), Jonah told them that's what a company like Zephra would do with their phone data and both Glenn and Sandra thought it sounded nice and helpful.
Sandra says that the Zephra app kept sending her adds for Supercloud mouthwash. In another episode they went from Supercloud to Halo branded products.
Marcus is shown easily pulling large bundles of Ethernet cables from the equipment in the Zephra room. Ethernet connections have a small clip at the top that locks them into a port. In order to remove them, one would need to either release each individual cable manually, or pull with enough force to break the clips, which Marcus wasn't doing.
Cheyenne and Mateo come up with a plan to put bees in Mateo's sandwich to drum up drama to regain the staff's interest in their feud. Cheyenne asks where they would even get a bunch of dead bees. It has repeatedly been mentioned that Cheyenne has bees in her car. She should have plenty of access to dead bees.
Sandra is cleaning the cafe, even though the cafe has been closed for the better part of a year at this point.