Several years and thousands of posts later (around 500 of them guest posts!), I see many topics as old or known but often unresolved due to governance issues, public indifference, and unimaginative or exploitative stakeholders. I also have less time due to my teaching
This graphic captures my posting frequency over the years, but it also gives you an idea of my cumulative satisfaction :)
Bottom Line: Don't blog to succeed. Blog to share.