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Tech & AI

AI, robots, smart cities, open datasets, and the tech connecting the world.

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Tech & AITop 14

The Best-Selling Mobile Phones of All Time

Nokia's bar phones and Apple's iPhones dominate every list of the best-selling phones ever, ranked here together by estimated lifetime units sold; the numbers are third-party estimates, and several rows are disputed.

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Tech & AITop 20

The AI Models with the Longest Context Windows

The 20 AI models with the longest context windows, one per lab, as of October 18, 2026: Qwen-Long, Llama 4 Scout and Pokee-Isaac 28B tie at 10 million tokens, and 16 more reach about 1 million.

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Tech & AITop 17

The Largest Open Datasets for Training AI Language Models

The 17 biggest free, downloadable text datasets for training AI language models, ranked by token count as of October 18, 2026, led by Together AI's RedPajama-V2 at 30.4 trillion tokens and Europe's HPLT 3.0 at about 30 trillion.

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Tech & AITop 50

The Most-Starred Open-Source AI Projects on GitHub

The 50 open-source AI projects with the most GitHub stars, led by OpenClaw with 392,215: agents, coding agents, model runners and the frameworks under them.

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Tech & AITop 21

The Largest Open-Weight AI Language Models

The 21 biggest AI language models you can download, one per lab, ranked by total parameters: Moonshot's Kimi K3 leads at 2.8 trillion, ahead of Qwen3.8 at 2.4 trillion.

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Tech & AITop 12

The Largest Satellite Constellations in Orbit

The twelve largest satellite constellations ranked by operational satellites on station, from Jonathan McDowell's tracker as of October 13, 2026.

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Tech & AITop 20

The World's Smartest Cities in 2026

Zurich, Oslo and Geneva lead the IMD Smart City Index 2026, which ranks 148 cities on how residents rate their infrastructure and technology. Here are the top 20, with each city's move since 2025.

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Tech & AITop 10

The Largest AI Data Centers in the World by Power Capacity

Ten AI campuses ranked by current IT power in megawatts, per Epoch AI's September 2026 estimates.

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Tech & AITop 15

Internet Access in Africa 2026: Countries Ranked

Morocco, Libya and Seychelles lead a continent where most people are still offline — Africa's most connected countries, ranked by the share of their population using the internet.

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Tech & AI17 Picks

Cleaning Robots in 2026: Floor, Window & Facade, and Solar Panel

A roundup of cleaning robots on the market in 2026 — autonomous floor scrubbers, window- and facade-cleaning robots, and waterless solar-panel cleaners — with maker, country, launch year and a standout spec for each.

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Tech & AI20 Picks

Robots of CES 2026: The Ones to Watch

From Boston Dynamics' production-ready Atlas to LG's laundry-folding CLOiD and a stair-climbing Roborock vacuum, the humanoids, home helpers, mowers and companion bots that stole the show at CES 2026 in Las Vegas.

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Tech & AI25 Picks

Smart Building Tech for Moving People in 2026

Connected elevators, AI lobby screening, elevator-riding delivery robots and indoor wayfinding: 25 real products that move people and parcels through buildings in 2026.

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