I would hesitate to say that every personal conversation has been recorded, or that every web address and the like has, as well.
That said, there is certainly a profile on nearly every person out there. It's as simple as google search results. In the interest of 'giving you relevant results' - cookies and other terms your computer or phone collects are used to generate a profile for indexing your search results.
I am skeptical that there is enough bandwidth for them to record every conversation within range of a networked microphone. This would likely be reserved for very select targets. Although it would be possible to scan for keywords. If I can "turn my phone on" by talking to it… you can bet that it can start recording if it hears something it is programmed to look for. Part of why I don't like this whole "can't access the battery" thing. Fucking phones never actually turn off, these days.