Google bought the main provider of flight information in 2010 (ITA). ITA had such a monopoly that Google was required to continue licensing their software out for years afterwards, though I think it expired in ~2016.
Also, it looks like the Matrix might go extinct soon:
> This interface runs on a deprecated web platform. At some point in the near future, we will be forced to shut it down. We unfortunately do not have a timeline on when this will happen. We welcome feedback about features missing from the new interface, we read all feedback and open bugs accordingly.
2. I don't use it, I point out for others facts about service OP recommends so they don't waste their time or you prefer everyone wasting their time?
[1] https://googleblog.blogspot.com/2011/04/ita-software-acquisi...