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Read in detail the article on slate.com where a certain paragraph caught my attention
Once smartphones have complex enough operating systems, it won't be hard to write a worm that burrows in, harvests all your info, and squirts it out to a mailbox in Pakistan. That's precisely what virulent computer worms like Sobig and Bugbear do.
Pakistan is no doubt famous thanks to our Brain.net brothers. On a side note cell phone users Beaware !