Powerful 🐳 #MovementData visualization 👍

However, this thread also highlights data viz / communication challenges 🧵 https://twitter.com/ballenaschile/status/1356703048270249985
My interpretation is that the trails / fade-out effects show historic whale/ship locations, scaled and colored by their age. Others may assume different meaning / have a different interpretation: https://twitter.com/PaulCrease/status/1356886922350759936
A certain minimum marker size is needed but may be misinterpreted as well: https://twitter.com/ggreer/status/1357024123327639553
Leading the audience to potentially underestimate the actual distances between moving objects: https://twitter.com/mitomaths/status/1357002244877647872
In the end, even though there may be issues, this thread also shows why we're doing data visualization for science communication: "I've never felt such empathy for a little dot" https://twitter.com/pseudodoxia/status/1356976639624667137
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