When you build on corporate APIs you have to know there's a fair chance the owner will pull the rug out on you, as twitter is doing now. The only APIs you can trust are open APIs that aren’t owned by anyone -- like the web -- http, html, rss. You have to watch out because the bigco’s will try to own those too. Journos are oblivious. Can’t get their attention. To a large extent Google already owns the web. And they are throwing their weight around in much more consequential ways than twitter. But Google is invisble to the press. That will end some day.