1. Think You Know. (This is technical depth)
2. Think you know that you don't know. (This is technical breadth)
3. Think you don't know.
To be a software architect, we need to concentrate on the second point. That is, think you know that you don't know. It will help to increase the technical depth.
Link:
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https://www.infoq.com/
https://www.thoughtworks.com/radar
https://dzone.com/
*** Spend 20 minutes each day on any of above link.