http://www.newsweek.com/fortnite-crossplay-ps4-games-wont-use-it-1142297

Fortnite fans and the games industry rejoiced Wednesday morning when Sony announced it would implement crossplay and cross-progression features on select PS4 titles. While this could end up being a watershed moment in the medium’s future, here are five reasons its adoption on PS4 won’t be as swift as some would like.

1) Sony is Still Cautious: Sony’s announcement of this “major policy change” comes with obvious air of caution from the hardware maker. The feature will roll out as part of a nondescript beta that only includes Fortnite. That name carries a ton of weight these days, and it’s precisely why Sony chose to use the game as an example.