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    <p>I would use idea #1. I wouldn't use a bool-field to check whether the user has read the message, I'd use a datetime-field, with some default value. If field == default, unread. When read, set field NOW().</p> <p>That way you know aproximately how fast your users read the message.</p> <p><strong>EDIT:</strong></p> <p>after your edit, I'd still use the same mechanism. The message needs a field to find out whether or not is read. If the users clicks the X (to close), update the db and mark the message as read.</p> <p>If the admin posts a new message, this will popup.</p> <p>You also need a creation-datetime for your messahe, cause if a user did not close the previous message, and the admin posts a new one, only the latest message can be shown.</p> <p><strong>EDIT2:</strong> In reply to this comment:</p> <blockquote> <p>Even if a user missed am message, only the newest should be shown. Maybe I am misunderstaning but it sounds like you are saying to basicly mark a message read 100,000 times is 100,000 users click the X and I think it should be more on the user table, show or do not show message box, not on an individual basis</p> </blockquote> <p>something is not locigal in your theory. You want to save the "show/don't show" as a setting, but you want to show the message anyway. How do you know when to overrule the usersetting and when not without remembering whether the system showed the message to the user? Even if you want to just show it once, you'll need a field in the database (on message-level) to store whether the system showed the message to the user or not.</p>
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    1. POBest way to show an admin message to certain users?
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    1. COEven if a user missed am message, only the newest should be shown. Maybe I am misunderstaning but it sounds like you are saying to basicly mark a message read 100,000 times is 100,000 users click the X and I think it should be more on the user table, show or do not show message box, not on an individual basis
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    2. COIt's not on a message level, ok to make it simpler to understand, lets pretend there is only 1 message EVER made and I just update that message/comment/notice whatever you like to call it. When I update it then every user should see it on the page even if they choose not to see these. The setting to hide it is just to hide it until I update/post a new one. I think I got it figured out now, I will add a setting field to DB to show or not show homepage notices/message
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    3. COthanks for trying to understand what I am saying, I know it's hard to explain things sometimes
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