We write a lot about the growth in the number of APIs on ProgrammableWeb. But how about usage? Some APIs see so many requests that they measure in billions. We refer to these companies as the API Billionaires Club. The image below, which comes from ProgrammableWeb Founder John Musser's talk later today at Glue, shows the big names that make up this exclusive club.
Your Twitter mashup just got 50% more content. And if you follow many people, you may have already noticed an increase in the flow of information. Why? Twitter just allowed developers 50% more calls per hour.