At that point in history APIs that returned a JSON object wrapped in a callback were few and far between (and Yahoo! had almost all of them). Pipes would give

At that point in history APIs that returned a JSON object wrapped in a callback were few and far between (and Yahoo! had almost all of them). Pipes would give you anything you wanted in a callback, allowing for nothing-but-front-end mashups of anything that would hold still while being scraped. Craigslist banned Pipes and un-banned it after YDN employee Jeremy Zawodny went to work there: https://techcrunch.com/2009/12/01/craigslist-yahoo-pipes-flippity/ https://techcrunch.com/2009/12/01/craigslist-yahoo-pipes-fli... https://techcrunch.com/2009/12/16/craigslist-yahoo-pipes/ https://techcrunch.com/2009/12/16/craigslist-yahoo-pipes/