David Zipper
@DavidZipper · Washington, DC · joined 28 Mar 2011
Senior Fellow @MIT Mobility Initiative + Contributing Writer at Vox, focused on transport. Words in @Slate @TheAtlantic @CityLab https://t.co/QE33pKTUuw
34 484Followers
685Following
10 879Posts total
5.3MViews on collected posts
Últimas publicaciones
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FYI, I'm not posting here anymore.
To follow my articles/musings, follow me on Bsky (same handle) or sign up for my free newsletter, Paved with Good Intentions: https://t.co/Zt2YSAFQKm
3.2K views · 22 likes
· 1 reposts · 3 replies
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Which #s do carmakers use to market EVs?
My conclusion, in @FastCompany:
“Rather than auguring a future of useful & efficient EVs, automakers are emphasizing metrics that portend disappointed customers, wasted resources, & needless road deaths.”
https://t.co/GhPKOwOSMC htt
3.2K views · 37 likes
· 3 reposts · 5 replies
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In US cities, ~2/3 of crash deaths occur on streets owned by the state – not local gov.
Outdated, deadly state roads are preventing cities from building the safe, comfortable, and transit-friendly streets residents want.
My deep dive, in @voxdotcom
https://t.co/ToEOjzzvuQ
16.4K views · 355 likes
· 88 reposts · 12 replies
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My latest story in Bloomberg CityLab: An interview with @BethOsborneT4A exploring what Trump's election means for US transportation policy.
I have a thread with much more info on Blue Sky. Find me there: @davidzipper.bsky.social
https://t.co/LRBft71Mq6 https://t.co/SB7MAt5MeL
1.7K views · 23 likes
· 1 reposts · 4 replies
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I see some tech bros wringing their hands in horror: "Won't someone think of the AVs?!" Couldn't disagree more.
California regulators are forcing San Franciscans to become guinea pigs for work-in-progress AV tech. Active protest is a reasonable response.
126.9K views · 1.9K likes
· 104 reposts · 43 replies
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@DavidZipper Luddites smashing looms all over again.
37.8K views · 310 likes
· 3 reposts · 27 replies
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A group of San Franciscans realized that they can disable Waymo and Cruise robotaxis by placing a traffic cone on the vehicle's hood.
They're now encouraging others to do it: "Hell no, we do not consent to this." https://t.co/ZrYhy4OATy
4.9M views · 19.9K likes
· 4.4K reposts · 380 replies
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1:12
Hey folks, I'm going to spend less time here and more on other platforms.
To keep in touch:
Bluesky: @davidzipper.bsky.social
Linkedin: https://t.co/2H8ofYFJfC
Mastodon: @davidzipper@mastodon.social
Paved with Good Intentions, my free newsletter: https://t.co/Zt2YSAGozU https:/
14.6K views · 46 likes
· 3 reposts · 3 replies
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Growth & engagement
How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.
Views per post
14.6K27 Jun
4.9M6 Jul
37.8K
135K
126.9K
1.7K12 Nov
16.4K13 Nov
111
3.2K14 Nov
3.2K10 Dec
Last 10 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.
Engagement rate per post
0.36%27 Jun
0.52%6 Jul
0.90%
0.49%
1.64%
1.64%12 Nov
2.83%13 Nov
2.70%
1.45%14 Nov
0.86%10 Dec
Reactions — likes, reposts, replies and quotes — divided by views.
What the audience does
Likes74.9%23 241 in total
Reposts15.1%4 678 in total
Replies1.6%482 in total
Quotes3.5%1 083 in total
Bookmarks5.0%1 555 in total
Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.
Followers by day
18 Sep
Daily snapshots since 18 Sep 2026; the dashed line is the starting count.
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