says @kvanscha "future is a mystery", more a probability tree per Adjustment Bureau and Garden of Forking Paths: notebook interface showing a person's past and forking future possible paths:
(images from http://www.artofvfx.com/?p=931)
from the movie "Adjustment Bureau" (recommended) https://en.wikipedia.org/wiki/The_Adjustment_Bureau.
And the Garden of Forking Paths blackboard diagram (PNG image linked to SVG): 
(from https://flashforward.fandom.com/wiki/Dyson_Frost%27s_wall)
from episode 17 of "Flash Forward" (B-rate sci-fi TV series with decent exploration of time/temporality/causality) https://www.hulu.com/watch/143503/flashforward-the-garden-of-forking-paths (went away, was available last in 2012: https://web.archive.org/web/20120706110755/http://www.hulu.com/watch/143503, and note: this episode has lots of spoilers if you prefer to watch a series from the start) in-reply-to: https://twitter.com/kvanscha/status/52417871917232128
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