You see, by the year 2050, human is doom. We will, by free will choose to slowly transform into Borg. No worries, at least Intel promises they will sell you your implant. The news (Link) here.
Before it happens why not order this necklace from ThinkGeek. It could be the last thing that reminds us that machine is here to improve human life, not taking over our body part.
(Link) to ThinkGeek very geeky necklace.