It turns out that Nokia is blaming counterfeit battery manufacturers for a series of incidents where their cell phones have either heated up or exploded.  To help minimize this, customers can now look for a hologram label on their new Nokia batteries.  It will hide a 20-digit authentication code that appears when a portion of the label is scratched.  In addition, users can verify the code either online or via SMS.  This reminds me of some old Transformers toys, which would hide their allegiance (Autobot / Decepticon) until you rubbed their darkened insignias.  Don’t think any of those ever exploded, though.

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