doesn't occur over night. It creeps up on you, like moss covering the bones that the weevils and maggots have cleaned. In geologic time, it might seem "quick," but it's a rolling wave and unless you want to be taken under, you need to ride it. (I'll have to get with Tom to get some stronger surfing metaphors, I only surf the web.)
It's not "getting old" which makes us obsolete, it's being silo-ed, corralled away from the newest tools and trends. For example, access to Microsoft Excel's "Power" suite of BI tools, like PowerQuery, PowerPivot, and PowerMaps for those of us relegated to the Excel world. Then there's the fact of the influence and availability of
open source coding solutions like R or Python. But even training up on these tools - if we don't use them, then we "lose" them. I can't count how many people I know went for CCNA or CCNE certifications and then never, ever after touched a Cisco box. Now those are just letters trailing after their names and if they get into an interview someone will ask. Yes, no matter how glancing your knowledge of a topic, if you claim it, you will be asked to answer even a trivial question. And you won't know the answer. Knowledge is nothing more than repetition in my book. Use it or lose it is the mantra.
So what is the point of certification? Honestly, my own foray into R certifications and my exposure to the Power tools is why I bring up those points. Exposure & certs only make you look like you're wall-papering your dining room. They don't matter. You have to be able to demonstrate even a small amount of working knowledge. And this type of working knowledge means you have to work in it. Now, if your certs are years old, no one's gonna test you on it, but then the relevance will be questionable. *shrug* I would think of it more as an award, rather than a skillset at that point.
However, technologies are changing so rapidly that we do need to gain access to a working knowledge of some of these tools - which means, to me, an integration into daily life. So, I'm going with Python at the moment and am focusing on that for a scripting language as well as data analysis. Here in Seattle, it seems to be more a Python kinda town. I plan on using the Microsoft suite of power tools for the visualizations though. I did pull down a trial copy of Tableau, but their trials are only 45-90 days.
Other technologies you could gain access to: Amazon Web Services has a one year introductory account you could set up. This would give you training and access to their Cloud Services. They also have training sessions. You can install Hortonworks Hadoop onto your home machine. I have a million-and-one resources I could list here in this blog entry. That's actually been part of my problem - too many options.
Time to focus down now though... focus.. laser like attention... LOL