This means observing etiquette in on line chat, via a chat room like facebook or wats app. It asks us to avoid ignoring messages especially that the other person knows you would have seen. To be aware of the use of emojis and to be polite to the person on the other end of the device, give a greeting before you start to converse if it's the first chat for the day .
I communicated with him on wats app and he lacked chatiquette owing to him not starting the conversation with a greeting.
Shopping cart etiquette. The proper way treat other shoppers while pushing your cart through the aisles. Examples include staying in lanes, not blocking the aisles, and being aware of one's surroundings.
"This lady is taking up the entire aisle with her cart! She has absolutely NO cartiquette."