Twitter has 105 million registered users -- pay attention, corporate America

During it's Chirp Developer Conference today, Twitter co-founder Biz Stone (finally) announced the company's registered user number, and it’s big: 105 million.

And that's not all, Twitter its still adding 300,000 users per day.

Say or think what you want about Twitter -- most people either love it or hate it -- but I think that these numbers should put to rest any lingering doubts corporate America may still have about the viability of Twitter as a legitimate communications and marketing tool.

Now, I know it's far from perfect, the company still needs to figure out how to best monetize the service and a lot of the content is, well, silly (to be kind). And, Twitter is not the be-all-end-all social media tool for all companies and situations.

Still, I have a feeling that this type of news may light a small, but visible fire under communications and marketing managers that may have been sitting on the sidelines waiting for the right time to jump onto the Twitter bandwagon.

What do you think?

Geo.