Twitter celebrates it 5 year anniversary today. It's a fascinating service, one that has been very useful to me and my line of work. And others like it too.
I'm always fascinated by how much, or little, a company's founders/top execs use their own service or product. I think it is key to the future success of any venture that its key people know, love and use their own product.
After all, if you aren't a heavy user of your own stuff then you might not be making the right decisions about future direction, features, and these days of API proliferation -- recruiting third-party developers.
Which is why it's interesting to take a look at Twitter co-founders and how much they Tweet: