If you’re selling your Windows computer or ... to want to first wipe everything. Or you may want to rid yourself of several years of data bloat and start again with a clean slate.

While originally intended for cleaning windows, Windex's spot ... dusty mirrors shine with Windex. To clean, spray Windex onto a dry microfiber cloth, and wipe the spray onto the mirror.

You might be in the market for a new computer ... tap the Wipe Data button, and wait for the process to finish. Most older Windows Phone 7 devices lack on-device encryption.