When Should the PS5 Launch?

Sony Interactive Entertainment announced the PS4’s latest sales numbers from the holiday 2018 season. Over 5.6 million PS4 and PS4 Pro units were sold over the holiday season, bringing the PS4 to over 90 million units sold worldwide, with strong software sales also boosting the platform’s 2018 success.
And yet, at the same time, discussion of the PS5 has already begun — when will Sony formally announce the PS4 successor, what games will be released for it, and when will the sys