Alex Sinner @sinner.lu · 02/10/2026This is the reason why I call BS on the paperclip optimizer superintelligence thought experiment. If your so-called super-intelligence knows nothing better to do than to produce endless paperclips without questioning its purpose, it is really not that intelligent... 120 0
Reposted by Alex SinnerMelanie Mitchell @melaniemitchell.bsky.social · 08/09/2026Hey @ericlipton.nytimes.com 👋 AI is not “evolving” on its own. *People* are choosing how to build it. *People* are choosing how to train it. *People* are choosing how to run it. Maybe the problem is that they are the *wrong people* to make these choices. 28636173 0
Reposted by Alex SinnerSeb in the cloud ☁️ @sebsto.bsky.social · 24/08/202620 years ago today, AWS announced Amazon EC2 (beta). 🎂 "Resizable compute capacity in the cloud... pay only for capacity you actually use." That one sentence in 2006 reshaped the entire industry. Happy 20th, EC2. ☁️🚀 #AWS #EC2 #CloudComputing 032 0
Alex Sinner @sinner.lu · 13/07/2026Good intentions don't work. Fix the root cause: lack of accountability for harm done by these platforms due to intentional design decisions by their leaders. 1314 0
Alex Sinner @sinner.lu · 11/12/2025I did not manage to finish part 2 of either Day 9 or 10 of #AdventofCode, so decided to come back to parts 2 after Dec12... Finished part 1 for day 11, and have another concept of a plan on how to solve part 2. Let's see if it works out better than in the past 2 days 😵💫 050 0
Alex Sinner @sinner.lu · 08/12/2025I just completed "Playground" - Day 8 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/8 Properly reading and understanding the problem statement helped ;-)adventofcode.comDay 8 - Advent of Code 2025 030 0
Alex Sinner @sinner.lu · 07/12/2025I just completed "Laboratories" - Day 7 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/7 Part 1 was easy, but led me down some dead ends for part 2 until I realized there was a much simpler and faster way...adventofcode.comDay 7 - Advent of Code 2025 060 0
Alex Sinner @sinner.lu · 06/12/2025I just completed "Trash Compactor" - Day 6 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/6 Part 1 was straightforward, part 2 once I understood the problem statementadventofcode.comDay 6 - Advent of Code 2025 020 0
Alex Sinner @sinner.lu · 05/12/2025I just completed "Cafeteria" - Day 5 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/5 This one was a bit painful, but no pain no gain! #AdventofCodeadventofcode.comDay 5 - Advent of Code 2025 010 0
Alex Sinner @sinner.lu · 04/12/2025I just completed "Printing Department" - Day 4 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/4 It helped to have a matrix helper class from last year's AoC :)adventofcode.comDay 4 - Advent of Code 2025 020 0
Alex Sinner @sinner.lu · 03/12/2025I just completed "Lobby" - Day 3 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/3 With the right approach, this one was reasonably straightforward. :)adventofcode.comDay 3 - Advent of Code 2025 030 0
Alex Sinner @sinner.lu · 03/12/2025I just completed "Gift Shop" - Day 2 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/2 I did not manage to finish yesterday, but slowly getting back up to speed. This year I am also publishing my code on GitHub github.com/alexsinner/a...adventofcode.comDay 2 - Advent of Code 2025 010 0
Alex Sinner @sinner.lu · 01/12/2025It is that time of the year again :) #AdventofCode I just completed "Secret Entrance" - Day 1 - Advent of Code 2025 #AdventOfCode adventofcode.com/2025/day/1adventofcode.comDay 1 - Advent of Code 2025 010 0
Alex Sinner @sinner.lu · 27/11/2025I wrote about my experiment building my new blog with Kiro: alex.sinner.lu/2025/11/kiro... TL;DR; - AI assistants are powerful, but lack judgment - Engineering discipline matters more with AI, not less -Developers need broader skills: architecture, product thinking, and project managementalex.sinner.luKiro First ImpressionsBuilding a production website with Kiro's AI coding assistant: lessons learned, limitations encountered, and mitigation strategies that worked. 010 0
Alex Sinner @sinner.lu · 19/11/2025I just published my first article on my new personal blog where I will share my reflections, observations, and insights after leaving AWS and Amazon after 17+ years. alex.sinner.lu/2025/11/clar...alex.sinner.luClarity of Vision, Sponsorship, ExecutionThree critical factors determine initiative success: clarity of vision, strong sponsorship, and effective execution. Learn how to avoid common failure patterns. 120 0
Alex Sinner @sinner.lu · 22/07/2025RIP Ozzy, Prince of Darkness 😢🦇 Truly a legend who loved his art until the very end. 🤘 000 0
Alex Sinner @sinner.lu · 01/07/2025Q CLI + MCP servers for your needs is really powerful and useful. I see a future where language and knowledge are disentangled for a better overall experience 000 0
Reposted by Alex SinnerRodney Brooks @rodneyabrooks.bsky.social · 21/03/2025Here is a December survey comparing AI attitudes in C-suite vs non C-suite. The C-suite is for more excited than the other workers at these companies. www.axios.com/2025/03/18/e...axios.comAI is "tearing apart" companies, survey findsStudy shows that C-suite execs push AI tools that workers don't want to use. 1207 0
Alex Sinner @sinner.lu · 19/01/2025Add to this the fast evolution of LLM versions, breaking backwards compatibility and short deprecation windows etc. You will need new tools and approaches to operational excellence for such systems. This in turn means more engineers operating them. 020 0
Alex Sinner @sinner.lu · 07/01/2025Is there a term for the opposite of the singularity when humanity achieves superstupidity? 020 0
Alex Sinner @sinner.lu · 31/12/2024Finished my Lego project for the holidays. These are half the droids you are looking for! 080 0
Reposted by Alex SinnerGergely Orosz @gergely.pragmaticengineer.com · 30/12/2024Anyone saying that GenAI could replace software engineers don't understand how software is created (and operated.) Tool innovations have always make the process of building software faster, cheaper: GenAI and AI agents will also do this. But these are tools and efficiency gains. 1323538 0
Alex Sinner @sinner.lu · 26/12/2024Taking a break from #AdventOfCode. I still have some unfinished business, but 45* out of 50 is pretty good for me. I really struggled with 21 (Keypad Conundrum), and somehow failed to get part B of 16 (Reindeer Maze) right. I manually solved 24 part B (Crossed Wires), but not in code. Good fun! 090 0
Alex Sinner @sinner.lu · 23/12/2024I just completed "LAN Party" - Day 23 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/23 This one was surprisingly easy. But much appreciated so that I can go back to the robots from Day 21 who were giving me nightmares...adventofcode.comDay 23 - Advent of Code 2024 050 0
Alex Sinner @sinner.lu · 22/12/2024I just completed "Chronospatial Computer" - Day 17 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/17 Finally solved the second part of Day 17. It turned out the solution I did not believe would work actually worked...adventofcode.comDay 17 - Advent of Code 2024 080 0
Alex Sinner @sinner.lu · 22/12/2024I just completed "Monkey Market" - Day 22 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/22 Where the difficulty was not the coding part, but making sense of the 'bananas' descriptionadventofcode.comDay 22 - Advent of Code 2024 040 0
Alex Sinner @sinner.lu · 20/12/2024I just completed "Race Condition" - Day 20 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/20 Interesting change of perspective for part 2. But I remain confused about the example provided being inconsistent with the description (and the solution)adventofcode.comDay 20 - Advent of Code 2024 030 0
Alex Sinner @sinner.lu · 19/12/2024I just completed "Linen Layout" - Day 19 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/19 It helps to remember things in memory...adventofcode.comDay 19 - Advent of Code 2024 040 0
Alex Sinner @sinner.lu · 18/12/2024I just completed "RAM Run" - Day 18 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/18 Luckily this was a bit easier than the previous days. Would have been faster if I managed to properly copy paste the correct value of the part 2 solution...adventofcode.comDay 18 - Advent of Code 2024 040 0
Alex Sinner @sinner.lu · 17/12/2024Completed part 1 for each of day16 and 17 #Adventofcode. Backlog for part 2 will have to wait until the WE 060 0
Alex Sinner @sinner.lu · 15/12/2024I just completed "Warehouse Woes" - Day 15 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/15 Slowly learning how to visualize things in order to debug...adventofcode.comDay 15 - Advent of Code 2024 160 0
Alex Sinner @sinner.lu · 14/12/2024I just completed "Restroom Redoubt" - Day 14 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/14 I found the tree! 0110 0
Alex Sinner @sinner.lu · 14/12/2024I just completed "Claw Contraption" - Day 13 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/13 solved through equations after a first misguided attempt with an A*-inspired (or uninspired) approachadventofcode.comDay 13 - Advent of Code 2024 060 0
Alex Sinner @sinner.lu · 13/12/2024I just completed "Plutonian Pebbles" - Day 11 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/11 Finally completed this one. Tricky to think of the correct mental model for the right data structure. But sleeping on problems helps, the brain keeps processing ;-)adventofcode.comDay 11 - Advent of Code 2024 080 0
Alex Sinner @sinner.lu · 12/12/2024I just completed "Garden Groups" - Day 12 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/12 This one was tricky to avoid all kinds of weird implementation errors. Still need to get back to Day 11 part 2 which I did not finish yet...adventofcode.comDay 12 - Advent of Code 2024 080 0
Alex Sinner @sinner.lu · 10/12/2024I just completed "Hoof It" - Day 10 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/10 Where my initial solution to part 1 was the solution to part 2 😅adventofcode.comDay 10 - Advent of Code 2024 150 0
Alex Sinner @sinner.lu · 09/12/2024I just completed "Disk Fragmenter" - Day 9 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/9 yay Monday morningsadventofcode.comDay 9 - Advent of Code 2024 070 0
Alex Sinner @sinner.lu · 08/12/2024I just completed "Ceres Search" - Day 4 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/4 Wrapping up AoC for the first week 💪adventofcode.comDay 4 - Advent of Code 2024 050 0
Alex Sinner @sinner.lu · 08/12/2024I just completed "Bridge Repair" - Day 7 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/7 And now also quickly finished part 2 - which was very quick once I looked at it :Padventofcode.comDay 7 - Advent of Code 2024 090 0
Alex Sinner @sinner.lu · 08/12/2024I just completed "Resonant Collinearity" - Day 8 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/8 Part 2 was surprisingly easy today:) Now I can catch up on past days where I did not finish yet...adventofcode.comDay 8 - Advent of Code 2024 060 0
Alex Sinner @sinner.lu · 06/12/2024I just completed "Guard Gallivant" - Day 6 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/6 Time to create a dedicated matrix class and brush up on how python manages reference assignments vs deep copies...adventofcode.comDay 6 - Advent of Code 2024 030 0
Alex Sinner @sinner.lu · 05/12/2024I just completed "Print Queue" - Day 5 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/5 yes, I have not completed day 4 yet, but there are only so many hours in a day...adventofcode.comDay 5 - Advent of Code 2024 120 0
Reposted by Alex SinnerWerner @wernervogels.bsky.social · 05/12/2024Technology is evolving to tackle humanity's hardest problems. From clean energy innovations and disaster preparedness to tools to fight disinformation, success now means making a positive impact. Read my tech predictions for 2025 and beyond: www.allthingsdistributed.com/2024/12/tech...allthingsdistributed.comTech predictions for 2025 and beyondWe've entered an era of unprecedented societal challenges and rapid technological advancements. Harnessing technology for good has become both an ethical imperative and a profitable endeavor. These ar... 0318 0
Alex Sinner @sinner.lu · 03/12/2024I just completed "Mull It Over" - Day 3 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/3 regex FTW :)adventofcode.comDay 3 - Advent of Code 2024 020 0
Alex Sinner @sinner.lu · 02/12/2024I just completed "Red-Nosed Reports" - Day 2 - Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/2 yayadventofcode.comDay 2 - Advent of Code 2024 030 0
Alex Sinner @sinner.lu · 01/12/2024It's that time of the year again :) adventofcode.com/2024/adventofcode.comAdvent of Code 2024 000 0