What is Notes market share these days?

I haven’t heard much about the battle between IBM and Microsoft for market share over the corporate mail business these days. I know you can’t compare apples to oranges and all that crap, but does anyone know what the market share is for corporate mail software?

Once upon a time Notes was on top.

Subject: What is Notes market share these days?

Still is, depending on how you measure it. Gartner says Notes over Exchange 46% to 44.2% in their latest report, Bill Gates says Exchange has 75% of the market. Who you believe is up to you, I guess.

Subject: What is Notes market share these days?

This article is 2004… and suggests that the share is declining due to uncertainity over workplace. (I’ve just seen it and it’s awesome - but moves Lotus firmly back into “What the hell is it anyway” territory).