When Jay's doing the presentation and the delivery guy asks, where to put the alcohol, the flip chart is moving to the next page without Jay turning it.
When Diane wakes up and checks her phone, all she sees is a message from Marissa. However in a previous scene, Kurt mentions that Diane isn't answering her cell phone, implying that he's previously called her. As such, her lock screen should show his missed calls as well, not just Marissa's message.