Sebastian Hallum Clarke (@sebthedev) header
Sebastian Hallum Clarke (@sebthedev) profile picture

Product manager working on Google Maps. Dreaming of more prosperous and vibrant New York at https://xitter.cf/t.co/j8FLXeQGkX.🗽🥝🇳🇿🔰

New York City, USA
Joined July 2008
Photo by Sebastian Hallum Clarke (@sebthedev)Photo by Sebastian Hallum Clarke (@sebthedev)Photo by Sebastian Hallum Clarke (@sebthedev)Photo by Sebastian Hallum Clarke (@sebthedev)Photo by Sebastian Hallum Clarke (@sebthedev)Photo by Sebastian Hallum Clarke (@sebthedev)Photo by Sebastian Hallum Clarke (@sebthedev)Photo by Sebastian Hallum Clarke (@sebthedev)Photo by Sebastian Hallum Clarke (@sebthedev)Photo by Sebastian Hallum Clarke (@sebthedev)
Given how hot Europe can be at the height of summer, this melts perfect sense. Great to see more US airlines adding extra shoulder-season flights to Europe, like United extending EWR-Porto through January.
September used to mark the end of Europe's summer rush. Not anymore. In 2025, more Americans went to Europe in September than August. May was even busier. The season now stretches from May into October.
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Potentially unpopular opinion: many public comments at community boards and City Council meetings are muddled and low-quality. Some comments even negatively polarize decision-makers against the speaker’s point of view. Don’t be like these people!
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I’ve listened to hundreds of public comments as a NYC community board member. The gap between what speakers think is effective and what actually moves decision-makers is enormous.
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I wrote a short guide on how to make public comments in NYC that actually move the needle. ➡️ Speak clearly. ➡️ Connect over shared values. ➡️ Signal warmth and credibility. Read the full write-up here: sidewalkchorus.com/p/public-…
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Great to see the Mayor and Speaker forming this commission to review the pay of NYC elected officials. Their salaries haven’t been increased since 2015, while inflation has taken a big bite out of their paychecks. If you want good governance, you have to pay for it.
Friday news dump: Mamdani and Menin are forming a pay raise commission, a step towards raising city politicians' salaries. De Blasio and Adams both refused to convene these commissions, which are meant to happen every four years.
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Looking forward to seeing Ryder in New York’s state assembly. He’s done incredible work organizing NYC’s abundance-focused community, and we’d be so lucky to have that same dedication in our legislature.
I’m running for Assembly in District 66! Why? Because I love New York more than anything—and that means fighting for its future. It’s time for leaders who aren’t just progressive, but aggressive. Not just resisting, but rebuilding. Not just demanding, but delivering.
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A great plan for subway expansion, and an excellent opportunity to use value capture taxes to help the project pay for itself! sidewalkchorus.com/p/value-c…
Huge announcement from @GovKathyHochul: Next phase of 2nd Av subway expansion would cross west on 125th St all the way to Broadway, connecting to busy stations on the 2/3, A/B/C/D, and 1 lines. This would provide much needed crosstown access for 100s of thousands of uptown residents. Truly exciting. nyc.streetsblog.org/2026/01/…
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With the widespread rollout of automatic license plate reader cameras (e.g. for tolls by mail on bridges and congestion pricing) it would be easy for the MTA/DOT/PANYNJ to identify out-of-state vehicles that spend an implausibly high number of days in NYC.
We disagree on a lot, but @BobHoldenNYC and @PhilWongNYC2025 are spot on about the importance of cracking down on “garage fraud” that makes our streets more dangerous and raises costs for everyone. nyc.streetsblog.org/2025/12/…
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Congestion pricing keeps winning. Now is the time to accelerate NYC’s congestion pricing, raise the toll, and fund better transit service. sidewalkchorus.com/p/doublin…
I’m a poll guy not a policy expert, but surely this has to be one of the most objectively successful policies in recent memory?
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Calling all skiers: ski lifts and ski trails are now in @GoogleMaps! 🎿⛷️❄️ Just pull up the map of your favorite resort in Google Maps to plan where to stay, where to eat, and how to get around the mountain.
Ski lift and trail information is back on @googlemaps -- get fresh info on the mountain, right in time for winter break! ⛷️ Check out an example from one of my fav areas to hit the slopes: google.com/maps/@39.2349706,…
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I just donated to support @VitalCityNYC’s great work covering New York stories that matter.
Replying to @VitalCityNYC
That’s why we’re launching our first-ever fundraising campaign. We’re aiming for 700 inaugural supporters by December 31 to help us meet this moment. If you appreciate our work, we hope you’ll make a tax-deductible gift to Vital City on this #GivingTuesday. 👉bit.ly/vc-eoy-twitter
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New York’s next mayor has a powerful tool most people overlook: a Charter Revision Commission. It’s the fastest way to deliver early wins on housing affordability, faster buses, and a more capable city government. My latest on why Mamdani should start here:
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Sebastian Hallum Clarke retweeted
Funding subway construction through value capture taxation, already permitted by New York state law, would be transformational @sebthedev @aarmlovi open.substack.com/pub/sidewa…
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I dug into this, and it's pretty cool! New York law allows the city to pay for transit construction by levying extra taxes on increases in property values that result from subway expansion. Just like that, a whole lot of great subway expansion projects become affordable!
I argue on @TweetBenMax's show today that @ZohranKMamdani should use an obscure provision of state law allowing NYC to capture billions of land value created by new trains for new subway construction Nobody's gonna remember the fares thing if he starts building a couple subways
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A big revelation is the Mayor-Elect Mamdani has previously proposed state laws related to value capture, so he CLEARLY is familiar with the concept. Once in office, Mamdani will be excellently placed to make use of these powers.
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