
biomedical engineer and recovering off-grid bitcoin miner 🇺🇸 | @zfellows
San Francisco
Joined June 2023
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Xander Klein retweeted
Introducing Offprint™
The physical magazine made from everything you "save for later" but never actually go back to read.
Find online, read offline.
Print media is back!
Xander Klein retweeted
The Cancer Episode
> My diagnosis and prognosis
> What this means for How to Take Over the World
> A few thoughts on death
> See below for links to GoFundMe, etc.
Xander Klein retweeted
You tried to paint me as a pervert for exposing fraud, and as a result radical leftists started trying to dox me and send death threats, wanting to kill me.
Now you are taking credit for “leading the charge” on the fraud. Are you serious?
You are the fraud.
Traditional wareables just tell me that "I slept bad" and don't fix the core issue, so I've churned from every one I've tried
I highly recommend @orionsleep for anyone who wants to sleep through the night
As someone who used to wake up 4x per night, I've never slept better
Xander Klein retweeted
put 20 of the most cracked SF consumer founders in the same room and this happened:
> 12+ course meal by private sushi chef
> skyline views of the bay
> golden hour sunset over the city
> founders from YC and a16z-backed companies
> operators from the first ugc programs like locket + minutesAI
> chatted about the future of ugc and what it looks like within the next year
welcome to Playkit After Dark: Sushi Edition
the goal is simple: bring the top UGC operators in the space into one room.
everyone here has either built a successful UGC program or is actively building one.
this is ground zero for tech ugc
next location: nyc
who do we need to invite?
Xander Klein retweeted
Hoping that history will mark this at the point that his run for presidency was ended. He’s been on the wrong side of history with nearly every move in the past year+ as he seeks to curry favor with the far left to try and win the nomination. Ro = party > country
Trump has launched an illegal regime change war in Iran with American lives at risk. Congress must convene on Monday to vote on @RepThomasMassie & my WPR to stop this. Every member of Congress should go on record this weekend on how they will vote.
Xander Klein retweeted
The stunning historic irony unfolding: The Kingdom of Saudi Arabia 🇸🇦 now stands shoulder-to-shoulder with Israel 🇮🇱 and the United States 🇺🇸 in military action against Iran's Ayatollah and his IRGC.
Iran's Supreme Leader launched the October 7th barbarism to derail the Abraham Accords.
Instead, he accelerated the unthinkable: For the first time in history, Saudis and Israelis are jointly operating against the Iranian regime.
A de facto militarized Abraham Accords is being forged in real time. 🔥
Xander Klein retweeted
“Trust the science”
Wow, Mark Hegsted is one of the Harvard scientists who accepted a $50,000 bribe (in 2026 $) by the Sugar industry to write a review that made saturated fat the patsy for sugar, without disclosing industry funding.
Makes sense that he wanted to come clean.
h/t @dramerling
Xander Klein retweeted
Chinese dissident claims China's population is actually under 500 million, not 1.4 billion.
Xander Klein retweeted
It is amazing what can be accomplished by a president whose words mean something, and how much damage can be done by a President (@BarackObama) who drew a red line and didn’t keep his word.
President @realDonaldTrump has inspired the Iranian people because they trust him to keep his word.
The Iranian people watched Trump warn @khamenei_ir and then destroy Iran’s nuclear capability.
The Iranian people watched Maduro taunt the President and then we all witnessed perhaps the greatest special forces operation in history.
The world is changing quickly and the bad guys are cowering in fear.
And thank you to our incredible military and @PeteHegseth.
Peace through strength.
Xander Klein retweeted
Rest in Peace Bob Weir. Thank you for all the years of support in the environment wars and thank you for your friendship.
“Fare-thee-well now
Let your life proceed by its own design
Nothing to tell now
Let the words be yours, I'm done with mine”
Xander Klein retweeted
Zohan chose a fitting location: a beautiful train station built by the private sector but shut down by government and now inoperable. A symbol of former beauty destroyed by feckless, clueless government. He will turn all NYC into this station: a relic of a once great past.





























