Is Brand new tech actually way older than we think

So i always wondered this, are tech companies years maybe decades ahead of what the public considers new technology? The reasoning is that these companies are still making money off current products and features, why would they make them obsolete by releasing even more advanced tech? Basically milking every single piece of tech they created and releasing new stuff at a reduced rate compared to the rate in which they are progressing. Anyone else think this way?

submitted by /u/NodZilla69
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from /r/Technology https://ift.tt/2v4ro9y