iOS or Another Skill?

Hello:

Although I have many skills outlined on my resume, I want to add another practical skill, in case my current skills become obsolete.

So, I have been toying with the idea of teaching myself Swift or some other iOS programming language in order to be able to create apps for the iPhone.

Out of the many new business skills a professional could learn, would this be the best?  

If so, how long does it take to learn and is it extraordinarily difficult?  Are there are good and free tutorials online that will successfully teach the lay person such a programming language?

Thanks!

John
John EllisAsked:
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Mal OsborneAlpha GeekCommented:
ITIL Fundamentals is a pretty simple certification to have, and often asked for across a wide variety of corporate IT roles. Just buy a book aimed at the exam, read it, sit the test, and get the bit of paper. It really is not difficult at all, and IMHO good "Bang for buck" WRT to time and $$s taken to get the qualification against usefulness.

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Steven WallaceManaged Services ManagerCommented:
It really depends on what kind of roles you are after. ITIL skills would be good to have in any IT role, Swift skills would good if you wanted to be programmer.
Mal OsborneAlpha GeekCommented:
Even points split between two reasonable answers
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