[brightball]

I don't disagree, but it's more like having a viable alternative in the background that gets relatively popular and stable.

As long as it's there, then if there's every a major ball drop on Facebook's part that makes a lot of people want to switch to something else they'll have somewhere to go. When people moved to Facebook from MySpace it was driven by a lot of issues with MySpace that pushed people away.

Something like this past year's election with all of the controversy over how the trending news was handled could have promoted a movement of "Enough, I'm done. Going to X." Enough "me too's" and you start a trend.

A lot of that happened with Instagram. People wanted a place they could go free of political rants and Instagram largely provided that...and Facebook owns them.

You've seen a lot of "quitting Facebook" trends this year and I believe that it's largely a result of lack of a viable alternative.