Blogs are usually mentally taxing and very technical. At least with talks we get the person's own voice which is much more preferable to text, as there are subtleties in the langauge that are usually left out from blogposts
I don't know whether to blame it on the influx of money into the space, the death of RSS, or the ever shrinking number of people who understand the details of modern RCE but finding quality content with any regularity has been extremely hard to come by.
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thegrugq (his medium and tumblr)
summit route
and slides/videos from sec conferences are always great.