Even though email is an asynchronous system by its nature, it might be useful to have a context of the urgency of reply. Something that is more precise than “low/normal/high priority.”
Use one digit number from 0 to 9 to specify the number of days until you would like to receive a reply. Start your subject line with this figure. Zero for today, one for tomorrow, etc.
If the visitor to your web page sees how much time they’ll have to spend – even if it’s not short – it’ll might make them more willing to read on.
Show an estimated time that it will take them to read the web page, based on an average reader’s speed. Then as they read and scroll down the page, update the estimation of time remaining until they finish, by taking into account both the remaining unread parts and also their actual speed of reading.
Time is the most valuable thing on earth.
An essay or book, discussing the idea of man and time, and how it does and should help guide your life.