[oo7jeep]

Key points that as I discussed with Keith became clear we were using different definitions:

What is a blog? I'd content any direct communication with the internet at large is in the intent of "blogging".

Which CEOs should count? I have no idea. But for fun lets say $100M+ valued companies.

Does frequency matter? To Keith it does but I think its beside the point.

Does it have to be written personally by the CEO? I would argue not. Many blogs (Svbtle, Medium, Sequoia's) include editing or content help.

So...

If you use the above criteria many many many CEOs blog. From Steve Jobs' letters explaining why Apple has it's stance on Adobe to Elon Musk's discussions about cars catching on fire. Then there are the by almost any definition bloggers mentioned elsewhere in this thread.