Statistics & studies gathered by market researchers, trade organizations, scientific publications, etc
Social media and general web searches can be great for this. However, recognize that Google (or Bing, etc.) changes what results you see, based on your past searches! So try to use an Incognito or Private browser, have multiple people do the same search, and see what results are different.
General news article searching is useful to see what competitor products are being mentioned, and with what type of language. When you run into paywalls, use our subscription links below for access to newspapers.
NYTimes.com, podcasts, newsletters, multimedia, and live events. Archived articles between 1851-present
Access the default edition of Wall Street Journal and WSJ.com articles.