Earlier quoted context omitted.
IFTTT and Zapier are spiritual successors to Pipes, although their focus is on APIs vs feeds. Maybe start a new, open source version of Pipes?
It really would be oh so nice to have something that can ingest RSS and Tweets and then apply filters to them while visualizing the logic through a graphical interface. Maybe even some fuzzy machine learning to use in building filters. Some more advanced dupe technology would go a long way. People would be building their own techmemes in no time. You could build ranking systems that award bonus points if something li…
Pipes would often get blocked by 3rd party data providers, which motivated me to roll my own library.
No graphical interface. Personally, I found Y! Pipes UI hard to work with when I needed to build large pipelines.