2 million at Shakira's concert in Rio? How crowd counting is done and why it matters

From drone photos to cell phone records, there are several methods for measuring audiences. Experts criticize inflated numbers, which can be used politically or lead to mistaken event planning

calendar_today May 2, 2026 schedule 09:32 visibility 64 views

2 million at Shakira's concert in Rio? How crowd counting is done and why it matters

Source: BBC Portuguese

De fotos com drones a registros de celulares, há vários métodos para medir públicos. Especialistas criticam números inflados, que podem ser usados politicamente ou induzir a planejamento equivocado de eventos

newspaper

Originally published at

BBC Portuguese

open_in_new Read Full Article

Economy

The U.S. adds 172,000 jobs as the labor market picks up steam

U.S. employers added jobs for the third month in a row in May, while the unemployment rate held steady at 4.3%. But wage gains softened and likely failed to keep pace with rising prices.

NPR News 12 hours ago

Economy

China's highest bridge brings tourists and internet access to remote communities

A link to the highway that cuts travel times from hours to just minutes, and a symbol of a flow of investment that has provided unprecedented access to high-speed internet in this remote region.

NPR News 12 hours ago

Economy

India: Viral 'Cockroach' party to take message to the streets

India’s Cockroach Janta Party started as an online youth movement, taking aim at the country’s government over high unemployment and inflation. But after gaining huge traction online, it is now set to take its message to the streets with a protest...

France 24 15 hours ago

Economy

Ahead of its IPO, Anthropic’s Daniela Amodei shrugs off doubts about AI’s returns

Anthropic has been growing at a breakneck pace. The company announced that annualized revenue crossed $47 billion in May, up dramatically from roughly $9 billion at the end of 2025. That trajectory faces a real test, though.

TechCrunch 1 days ago

Economy

Grim mood in Berlin after Germany loses Security Council bid

Austria and Portugal have secured seats on the UN's most important body, but Germany has not. This brings a 40-year streak to an end. It's the most severe foreign policy defeat yet for the coalition government.

DW News 1 days ago

Economy

Used Waymo robotaxi batteries become backup storage for power grids

Used Waymo batteries will bolster California and Texas energy storage projects.

Ars Technica 1 days ago

Economy

Russia ramps up pressure on Armenia ahead of Sunday's crucial election

Russia has increased its pressure on Armenia ahead of Sunday’s parliamentary elections, pulling out virtually all the stops linked to trade should its long-term ally persist in its ambitions to join the European Union. Moscow has threatened to raise...

France 24 1 days ago

2 million at Shakira's concert in Rio? How crowd counting is done and why it matters

Related Articles

The U.S. adds 172,000 jobs as the labor market picks up steam

China's highest bridge brings tourists and internet access to remote communities

India: Viral 'Cockroach' party to take message to the streets

Read More

Ahead of its IPO, Anthropic’s Daniela Amodei shrugs off doubts about AI’s returns

Grim mood in Berlin after Germany loses Security Council bid

Used Waymo robotaxi batteries become backup storage for power grids

Russia ramps up pressure on Armenia ahead of Sunday's crucial election