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Hello!
Welcome to a new edition of “On the Net Today”, the newsletter where every Friday we share a selection of useful and interesting resources to help you get the most out of the internet and make the best use of your browsing time.
Here are the topics we’ve prepared for today:
👩💻 Similarweb publishes ranking of fastest-growing websites and apps this past year
🤖 Claude Code and Other Free Courses at Anthropic Academy
🖼️ Visit 10 of the World's Largest Museums on Google Arts & Culture
⏭️ In brief
🤔 Express Quiz
💡Recommended by: Jordi Nadal
👩💻 Similarweb publishes ranking of fastest-growing websites and apps this past year
Similarweb has just released its Digital 100 ranking, offering insights into the websites and apps that have experienced the most growth over the past year across different markets, both globally and by sector.
The global ranking of websites with the highest growth in the United States this past year is led by ChatGPT (61.4 million monthly unique users and 57.5% growth), Substack (26.6 million users, +44.5%), and AOL (25.7 million, +36.3%).
ChatGPT is currently the generative AI tool with the largest user base. Substack's second-place position demonstrates the enormous reach of the newsletter phenomenon. And AOL represents the comeback of a historic internet brand that, a few months ago, was acquired by Italian tech firm Bending Spoons, owner of products used by millions such as Evernote, Remini, Meetup, WeTransfer, and StreamYard, among others.
Looking at apps, the three with the highest growth in the U.S. have been ChatGPT (46.7 million, +127.9%), Threads (51.8 million, +81.1%), and Indeed Job Search (20.4 million, +39.8%).
The report, which can be downloaded for free upon registration, provides data on the following sectors and markets, both for websites and apps:
Sectors: Fashion & Apparel, Beauty & Health, Consumer Tech, Food & Hospitality, Home & Lifestyle, Financial Services, Media & Entertainment, Travel & Tourism, Gaming, Big Winners, and AI Spotlight.
Markets: U.S., UK, Germany, France, Australia, India, South Korea, Japan, and Brazil.
AI Ranking
The ranking of AI tools by market penetration in the U.S., with data from November 2025, is clearly led by ChatGPT (77.3%), followed by Google's Gemini (24.2%), Grok (6.7%), Claude (5.3%), and Perplexity (5.3%).
Link:
Meet the leading brands of 2026
🤖 Claude Code and Other Free Courses at Anthropic Academy
Generative AI companies are offering free training to users so they can discover their possibilities and get used to using them.
This is the case, for example, with Anthropic Academy, the online training center created by Anthropic, the company behind the Claude tool.
One of the courses offered at Anthropic Academy is "Claude Code in Action," free training dedicated to explaining a tool, Claude Code, that has been widely discussed and written about recently. Claude Code is democratizing software creation by allowing users without programming expertise to automate tasks and create digital tools simply by describing what they want to do in natural language.
Another course available for free is Claude 101, which teaches how to use Claude for all kinds of daily tasks.
Links:
🖼️ Visit 10 of the World's Largest Museums on Google Arts & Culture
Discover 10 of the World’s Most Gigantic Museums is a spectacular online special offered by Google Arts & Culture that allows you to explore the art collections of 10 of the world's largest museums.
The ten museums that can be visited virtually are the Louvre in Paris, the Hermitage in St. Petersburg, the Metropolitan in New York, the Vatican Museums in Vatican City, the National Museum of Anthropology in Mexico City, the Tokyo National Museum, the National Museum of Korea in Seoul, the Victoria and Albert Museum in London, the also London-based British Museum, and the Neues Museum in Berlin.
Link:
Discover 10 of the World’s Most Gigantic Museums – Google Arts & Culture
⏭️ In brief
Official website of the Milano-Cortina 2026 Olympic Winter Games taking place from February 6 to 22, 2026.
The virtual email marketing conference Litmus Live 2026 will be held on February 11 and 12, which can be attended for free. Some of the leading international experts in this field are participating, such as Gary Vaynerchuk, CEO of VaynerMedia, or Ann Handley, Chief Content Officer at MarketingProfs.
Edelman has published the 2026 edition of its Trust Barometer, which analyzes the level of trust that populations in dozens of countries around the world have in governments, businesses, media, and NGOs. The report reflects the growing "insularity" taking hold in many countries.
Incredible images of northern lights captured by an airplane pilot: 'The most incredible display of aurora I've ever seen in my 20 years of flying'. Pilot captures historic northern lights show from 37,000 feet (photos) – Space.com
These are the winners of the 2025 edition of the international travel photography award "Travel Photographer of the Year"
The BBC featured on its Travel Show program underwater footage of the new seabed created after the volcanic eruption in La Palma: Diving into La Palma's underwater lava world
🤔 Express Quiz
Last October 2025, in a new funding round, OpenAI became the startup with the highest market value in the world.
In the previous edition of "On the Net Today" we asked you which one was the Poppins font among six options. The correct answer was number 3.
💡 Recommended by: Jordi Nadal
Name: Jordi Nadal
Role: Editor and founder at Plataforma Editorial
Links: Plataforma Editorial | Jordi Nadal | LinkedIn
Recommended resource: The video episode “What’s Actually Breaking America – with David Brooks” from "The Prof G Pod" podcast by NYU Professor, best-selling author, business leader and serial entrepreneur Scott Galloway.
Why?
I love listening to and reading Scott Galloway, an author I've met and whose book, Post Corona, I've published. He's one of the sharpest minds in America, and his conversation with David Brooks in this video is among the best things I've heard in the past year.
They discuss the moral, social, and emotional crisis gripping America. They analyze how, despite decades of economic growth, society today is more unhappy, polarized, and distrustful—especially among young people and, particularly, men.
Both agree that the core problem isn't just economic, but cultural and spiritual: the loss of purpose, meaningful connections, and structures that foster commitment, service, and belonging.
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That's all for today. See you in a week!
