It's interesting that while we aren't at 10 GHz quite yet, the functionality that was mentioned in the article [1][2] is here and works even on budget smartphones. -- [1] Imagine being able to speak normally with your computer as you would a secretary sitting next to you and have your computer accurately and quickly take notes from your speech. [2] Imagine logging onto your computer not via a user name and a password…
Example 1, if we're referring to the likes of Siri and Alexa isn't thanks to improvements in personal computer technology - said platforms send your speech recording off to a massive datacenter for processing, no need for 10Ghz processors there. Example 2 requires the use of depth-sensing and heat-sensitive cameras to avoid trivial "show a photo of an authorized user" attacks - that's not really CPU-dependent either.
You can build basic functionality into a speech bot in Powershell ("PowerShiri, what time is it?" "PowerShiri, what is the weather?") as a weekend project: https://news.ycombinator.com/item?id=11663029