A backpack is useful and sometimes difficult to put down. In a packed carriage, it also occupies shared space and can knock into people. What does considerate travel require?
A sealed bottle can feel reassuring, but it also adds cost, packaging and transport. Where local tap water is safe, should a shared jug arrive unless diners opt out?
A short clip or speakerphone call may feel harmless to the person holding the phone. To everyone nearby, it becomes an unchosen soundtrack. Should headphones be the normal expectation?
Seeing faces can help a remote group feel present. Constant video can also expose private space, consume bandwidth and add fatigue. Should “camera on” require a reason rather than being the default?