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Part of why these plastic Hellraiser-cube-like containers are so annoying is that they seem designed to avoid easy shoplifting. But so many electronics and other devices are held behind the counter now (at least in the US) that it seems kinda pointless. I really prefer the origami-cardboard-box approach (Ipod, my Moto phone from Verizon) to the cut-fingers-possible-product-damage approach.
I've recommended tin snips to people who have problems with those blister packs. Never had a problem with them myself - pocket knife, zzzzip, open, toss empty package in blue recycling box.