Expired Design

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MESSAGE: Your session has expired. Please sign in again

BUTTONS: Close

Snarky comment: I hate picking on mycokerewards.com. [Actually, I don't.] It almost seems cruel[/easy] and unfair [read: deserved]. (In my opinion.)

What's wrong here?

1. "Session" and "expired" are commonly used words in online services, but why? Why burden customers with this technobabble. Anywhere else, this phrase would have no meaning. Better: You were signed out automatically since no activity occurred in the past 15 minutes.
2. Don't leave me hanging; give me some ending punctuation...please!
3. Could that Close button be more arbitrarily placed?
4. They could have centered the text in the Close button. They should have centered the text in the Close button. They didn't.
   

Source: www.mycokerewards.com