I'm too far down the proverbial rabbit hole to be able to turn back, so part of me knows this is a permanent shift of some sort.

我已经沿着众所周知的路越走越远，直至难以回头，部分自我告诉自己这只是某种程度上的永久性转移。

youdao

It now has a uniform menu tray that pops out from the left side that looks the same across all screen sizes, which allows users to navigate to any part of Facebook without needing to go back to the home page -- meaning it's easier than ever to get sucked down a rabbit hole of baby pictures, witty comments, likes and pokes.

ENGADGET: Facebook freshens up News Feed, brings bigger images, feed filtering and a uniform cross-platform UX