I built a product around the Twitter firehose, which was a publicly published, accessible, terms-of-service'd data stream... then they killed our (and many othe

I built a product around the Twitter firehose, which was a publicly published, accessible, terms-of-service'd data stream... then they killed our (and many other's) products when they closed up access. Keep that in mind, and add on the risk that you're probably not even allowed access to scraped data, and I would suggest the answer is "No."