What are some recommended activities to do during a layover at EWR airport?

During a layover at EWR airport, some recommended activities include exploring the shops and restaurants in the terminals, taking a walk around the airport to stretch your legs, catching up on work or reading at a quiet seating area, or using the airport's Wi-Fi to browse the internet or watch movies. You can also consider booking a lounge pass for more comfortable amenities and relaxation.