Google and Facebook location data shows coronavirus lockdown compliance

With many cities, states, and countries asking people to remain at home, Google and Facebook location data is being used to help determine how many people are complying with the coronavirus lockdown…

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Our sister site 9to5Google reports that Google is aggregating location data for 131 countries, measuring the drop-in visits to places like retail stores and transit stations.

This takes the form of graphs for each location that shows how visits to six high-level categories — retail & recreation, grocery & pharmacy, parks, transit stations, workplaces, and residential — have changed compared to a baseline from the weeks before.

We’ll show trends over several weeks, with the most recent information representing 48 to 72 hours prior. While we display a percentage point increase or decrease in visits, we do not share the absolute number of visits.

Reuters reports that Facebook is doing a similar analysis in the US, including a guide to how many people are staying at home.

Using the data, which is stripped of identifying information, researchers provide insights like the average distance of trips users have taken in a city and the proportion of residents in each county that have stayed within their 600 square meter home ’tiles.’

In New York, for example, researchers found mobility dropped significantly on the weekends but crept back up on weekdays, when many people — particularly those living in low-income neighborhoods — are still required to work.

Given the criticism both companies have faced over their collection of personal data, each is being extremely careful to avoid compromising user privacy.

Google leverages differential privacy to add ‘artificial noise to [its] datasets enabling high quality results without identifying any individual person.’ The data specifically comes from users that turned on Google Location History on Android devices and first-party mobile apps […]

Facebook and the researchers leading the project say they have overcome [privacy] concerns by aggregating the data several times over and funneling it through academics. The researchers share broad findings with state and local health departments, which do not receive any raw data.

Apple is focusing on more direct assistance, with donations of cash and face masks to help fight the spread of the virus.

Although most coronavirus lockdown measures have been announced as a matter of two to three weeks at present, many health experts expect them to be extended to around three months.

Widespread availability of antibody tests, to show those who have had COVID-19, would allow a gradual return to normal once people are known to be non-infectious and immune, but the US, UK, and many other countries are being extremely slow to make these available.

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Avatar for Ben Lovejoy Ben Lovejoy

Ben Lovejoy is a British technology writer and EU Editor for 9to5Mac. He’s known for his op-eds and diary pieces, exploring his experience of Apple products over time, for a more rounded review. He also writes fiction, with two technothriller novels, a couple of SF shorts and a rom-com!

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