Technology has extended human life, connected billions of people to information, made energy dramatically cheaper, and reshaped how we work, learn, and receive medical care. The changes are so woven into daily life that they’re easy to overlook, but the numbers tell a striking story. Here’s a concrete look at what technology has actually delivered.
Connecting Most of the Planet
As of 2025, roughly 74% of the global population uses the internet, according to the International Telecommunication Union. That means nearly six billion people can access news, communicate across borders, look up medical symptoms, apply for jobs, or learn a new skill from a device in their pocket. Two decades ago, that figure was under 20%.
This connectivity changed the speed at which information travels. A farmer in rural India can check crop prices in real time. A parent in a remote town can video-call a specialist hundreds of miles away. A teenager in Sub-Saharan Africa can take a university-level course built by professors at MIT. None of this was possible at scale before broadband and mobile networks spread across the developing world in the 2010s.
Cheaper, Cleaner Energy
Solar photovoltaic costs have fallen by about 90% in the last decade. Every time global solar capacity doubles, panel prices drop by roughly another 20%. That pattern, tracked by Our World in Data, has turned solar from an expensive novelty into the cheapest source of new electricity in most of the world.
The practical result: countries that once relied entirely on coal or diesel generators now have a viable alternative. Homes and businesses can install rooftop panels at a fraction of what it cost in 2010. Battery storage technology has followed a similar cost curve, making it possible to store solar energy for use after dark. This combination is reshaping power grids on every continent and giving communities in energy-poor regions their first reliable electricity.
Transforming How We Work
Automation and digital tools have made workers dramatically more productive over the past century, from spreadsheets replacing hand calculations to robots assembling cars. The next wave is already measurable. The Penn Wharton Budget Model estimates that generative AI will increase overall productivity and GDP by 1.5% by 2035, nearly 3% by 2055, and 3.7% by 2075. The strongest boost to annual productivity growth is projected to hit in the early 2030s.
Those percentages sound modest, but compounded over decades they translate into trillions of dollars in economic output. In practice, this looks like software that drafts legal documents in seconds, supply chain systems that predict shortages before they happen, and customer service tools that handle routine questions without human involvement. Each of these frees people to spend time on work that requires judgment, creativity, or personal connection.
Healthcare at a Distance
Telemedicine existed before 2020, but the pandemic turned it from a niche convenience into a mainstream delivery method almost overnight. By late 2020, telehealth visit volumes had surged by over 3,000% compared to the prior year. Among U.S. Medicare beneficiaries alone, telehealth accounted for 52.7 million clinician visits in 2020, a 63-fold jump from roughly 840,000 in 2019.
That shift stuck. Millions of people who previously drove hours to see a specialist now consult one through a screen. Patients managing chronic conditions like diabetes or high blood pressure can share readings from home monitors and adjust treatment plans without an office visit. For people in rural areas, those with mobility limitations, or anyone juggling caregiving and work schedules, the ability to see a doctor from home removed a real barrier to getting care.
AI in Medical Diagnosis
Artificial intelligence is increasingly used to help read medical scans and suggest diagnoses, though the technology is still maturing. A 2025 meta-analysis of 83 studies in NPJ Digital Medicine found that generative AI models achieved an overall diagnostic accuracy of about 52%. That’s roughly on par with non-expert physicians, where the difference in accuracy between AI and less-experienced doctors was statistically negligible (just 0.6 percentage points).
Expert physicians, however, still outperformed AI by a significant margin, scoring about 16 percentage points higher. What this means in practice is that AI tools are most useful as a second set of eyes, catching patterns that a busy or less-experienced clinician might miss, rather than replacing seasoned specialists. Radiology departments already use AI to flag suspicious areas on mammograms and chest X-rays, helping prioritize which scans need urgent human review. The technology works best as a safety net, not a replacement.
Opening Up Education
By mid-2024, more than 220 million learners worldwide had enrolled in Massive Open Online Courses, up from 180 million just two years earlier. Platforms like Coursera, edX, and Khan Academy offer everything from introductory coding to graduate-level business courses, often for free or at a fraction of traditional tuition costs.
This matters most for people who previously had no realistic path to higher education. A working parent can complete a data science certificate during evening hours. A student in a country with limited university capacity can access lectures from top global institutions. The quality varies, and completion rates for free courses remain low, but the sheer availability of knowledge has changed what’s possible for hundreds of millions of people. Corporate training has followed the same pattern: companies now upskill employees through digital platforms instead of flying them to week-long seminars.
The Everyday Benefits We Stopped Noticing
Beyond the headline categories, technology has quietly improved daily life in ways that are easy to take for granted. GPS navigation saves an estimated billions of hours of driving time each year. Refrigeration dramatically reduced foodborne illness. Smartphones consolidated the functions of cameras, calculators, maps, music players, alarm clocks, and encyclopedias into a single device. Water treatment and sanitation technology, perhaps the least glamorous innovation in history, prevented more deaths than any medicine ever developed.
Modern agriculture feeds roughly eight billion people on less farmland per person than at any point in history, thanks to mechanization, improved seed varieties, and precision farming tools that use satellite data to optimize irrigation and fertilizer use. Air travel, once reserved for the wealthy, now moves over four billion passengers a year. Even something as simple as LED lighting, which uses about 75% less energy than incandescent bulbs, has cut electricity bills for households worldwide.
Technology isn’t a single thing that arrived at one moment. It’s a compounding process where each advance enables the next. Cheaper computing made AI possible. AI is making drug discovery faster. Faster drug discovery will extend lives. The gains are uneven, and real problems like digital addiction, job displacement, and privacy erosion exist alongside the benefits. But measured by lifespan, access to knowledge, economic output, and the sheer number of daily problems that no longer require human struggle, technology has reshaped the baseline of what ordinary life looks like.