Having date/time formulas like @Now causes servers to overload by refreshing views all the time.
Here is what you have to do to avoid this.
Put this code in the postopen of your database.
When a user opens the database, it will put the today's date in his local notes.ini file.
If you have a column or the selection formula in the view that needs to control the today's date, you just have to recuperate the value in the notes.ini by using this code:
This was first published in July 2001