Blogs are never going to die for sure, but that said they sure can see some decline. Seems like that is what is happening to quite a few popular bloggers. Marco in his recent post elaborates in detail on this and the reason why blog traffics are in decline. I am no expert nor does my blog generate millions of page views, to comment on the decline. That said the reasons he mention for the decline is worthy to note and ponder on. The entire article is worth a read.
This portion stands out
Publishers are relying more on social traffic not because Google’s squeezing them out, but because that’s where everyone went. The dominance of mobile usage, social networks, and YouTube, plus attention-competition from apps, are the real problems for web publishers and blog writers.