An interesting way to determine if you are logged into social web sites ✩ Mozilla Hacks – the Web developer blogThanks! Please check your inbox to confirm your subscription. If you haven’t previously confirmed a subscription to a Mozilla-related newsletter you may have to do so. Please check your inbox or your spam filter for an email from us. Jan! You could upload an image to a security-sensitive bug in Bugzilla to check if a user is logged in as a member of the security group, but this would change over t
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自分の現在地をGoogleマップで印刷して封筒にするというナイスアイディア
