I think that misses one big point here; and a point that I live by: Don&#x27;t waste your neurons and time.<p>Time is the most precious thing you have, so don&#x27;t waste it learning stuff you won&#x27;t need. Even if it&#x27;s shinny. Resist, and for the things you do need, don&#x27;t become an &#x27;expert&#x27; -- pick the things you NEED and scope it well. Then hop along on the new tech that came around...<p>I always see any new thing I take on as an investment, and I try to make it pay down the line...<p>I didn&#x27;t use to do that, and I&#x27;m an expert in a few tech that I had fun learning, but have absolutely zero relevance today. See, I can write Altivec code without the scalar version for example. That was useful for about 2 years...