Would you be willing to answer a few brief questions about PlayStation Forums?
They canceled it.
Yes. "Pulse" was cancelled. The last "Pulse" episode was on July 3, 2012. Sadly "Pulse" no longer has a pulse.
It got canceled. Though I kinda wish I knew why.
Not sure but if I had to guess it has to do with their recent layoffs in the marketing department. They also canceled qore and the tester.