If your attendees have paid for your event, respect them by having someone at the door who checks for people with tickets.
If you participated in a contest to win tickets for an event, please be sure that you are available until you know if you win or not. Read more
If someone hold the door for you, nobody will be hurt if you say “thank you”. Read more
In a tea room, for the respect of all other customers, whispering is a good idea. Read more
When you are in the corridor of a hotel, yelling or talking out loud doesn’t seem to be a good way to respect others tranquility, and their sleeping time. Read more
Don’t give any details about the differences between the free, and the paid version of your application: I’m pretty sure it won’t help you to sell more software. Read more