Learning is more useful when it leaves a trail.

Who writes this?

/lico is a software developer who builds web products and writes about practical lessons from engineering, product experiments, language learning, markets, personal finance, and life abroad.

This is a personal publication. The opinions are the author's own and do not represent an employer, client, or any company mentioned in an article.

Why CoreUp exists

The subjects on this site can look unrelated, but the common thread is practical understanding: what changed, what worked, what failed, and what another person can reuse. Articles are written to preserve useful thinking rather than to fill a publishing calendar.

Editorial and AI policy

Articles begin with real questions, implementation work, experiments, decisions, mistakes, or research. AI tools may help with research organisation, outlining, editing, or drafting, but they do not decide what is published. Every public article is deliberately selected and reviewed before publication.

• Prefer first-hand details and primary sources over generic summaries.
• Separate reported facts from interpretation, estimates, and opinion.
• Check time-sensitive claims close to publication and include dates where they matter.
• Do not invent personal experiences, results, quotations, or sources.
• Use images that add meaning and preserve source or licensing information where relevant.

Corrections and updates

Material mistakes are corrected in the original article. Updated dates are changed when meaningful content is revised. Readers can report a problem through the contact page, and corrections should preserve the original URL wherever possible.

Financial and market content

Market and personal-finance articles are educational notes and personal analysis, not personalised financial, tax, or legal advice. Prices, regulations, and company information can change quickly. Readers should verify current information and make decisions based on their own circumstances.

Advertising and commercial independence

CoreUp may use advertising, including Google AdSense, to support the cost of operating the site. Advertising does not determine editorial topics, opinions, rankings, or conclusions. Any sponsored or paid content, if introduced, will be clearly identified.