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A Firefox extension shows where a website is located.
About IP addresses and physical locations.
Lazarus: Form Recovery restores text and entire Web-form entries after accidental deletion; Clippings and Textarea Cache let you save what you type into text boxes for easy reuse. Plus, add-ons that clear form fields and show a site's nationality.
About some recent defensive computing suggestions
When it comes to email the message is always "buyer beware".
Is an IP address personal? Does it point to you? Yes and No.