Facebook clarifies how it collects data when you're logged out
San Francisco, April 17: After Facebook CEO Mark Zuckerberg testified in front of the US Congress last week, the company on Tuesday tried to clarify on questions how it collects data when people are not directly using the website or app.
Many websites and apps use Facebook services to make their content and ads more engaging and relevant.
"Apps and websites that use our services, such as the Like button or Facebook Analytics, send us information to make their content and ads better," David Baser, Product Management Director at Facebook, wrote in a blog post.
In return for that information, Facebook helps those websites serve up relevant ads or receive analytics that help them understand how people use their services.
"When you visit a site or app that uses our services, we receive information even if you're logged out or don't have a Facebook account. This is because other apps and sites don't know who is using Facebook," Baser added.
Many companies offer these types of services and, like Facebook, they also get information from the apps and sites that use them.
"Twitter, Pinterest and LinkedIn all have similar Like and Share buttons to help people share things on their services. Google has a popular analytics service. And Amazon, Google and Twitter all offer login features," Facebook said.
These companies -- and many others -- also offer advertising services.
When you visit a website, your browser (for example Chrome, Safari or Firefox) sends a request to the site's server.
The browser shares your IP address so the website knows where on the Internet to send the site content.
The website also gets information about the browser and operating system (for example Android or Windows) you're using because not all browsers and devices support the same features.
"It also gets cookies, which are identifiers that websites use to know if you've visited before. This can help with things like saving items in your shopping cart," Facebook explained.
"So when a website uses one of our services, your browser sends the same kind of information to Facebook as the website receives. We also get information about which website or app you're using, which is necessary to know when to provide our tools," Baser noted.
There are three main ways in which Facebook uses the information it gets from other websites and apps.
"Providing our services to these sites or apps; improving safety and security on Facebook; and enhancing our own products and services," Baser said.
"We also use the information we receive from websites and apps to help protect the security of Facebook. For example, receiving data about the sites a particular browser has visited can help us identify bad actors," he posted.
Zuckerberg, appearing before the US Congress last week, told the lawmakers that his own personal data was part of 87 million users' that was "improperly shared" with British political consultancy firm Cambridge Analytica.
"We don't sell the data. We use the data that people put into the system in order to make them more relevant. I believe people own their content," he told the US Congress.
Facebook is embroiled in a widening scandal that a British data firm called Cambridge Analytica improperly gathered detailed information on its 87 million users.
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London, Nov 22: A bomb disposal squad deployed as a “precaution” to the South Terminal of Gatwick Airport concluded an investigation into a "security incident" on Friday after making a “suspect package” safe.
The South Terminal of Gatwick Airport, the UK's second busiest airport after Heathrow, which was briefly shut owing to the incident reopened following the incident.
The Gatwick is around 45 km south of London.
Two people detained during the enquiries have since been allowed to continue their journey as the airport was opened.
“Police have concluded their investigation into a report of a suspect package at Gatwick Airport. Officers from the EOD (Explosive Ordnance Disposal) team made the package safe, and the airport has been handed back to its operator,” Sussex Police said in an updated statement.
“Two people detained while enquiries were ongoing have subsequently been allowed to continue their journeys. There will remain an increased police presence in the area to assist with passengers accessing the South Terminal for onward travel,” the statement added.
Earlier on Friday, the incident caused severe disruption at the busy airport’s South Terminal, while the North Terminal of Gatwick Airport remained unaffected.
“Police were called to the South Terminal at Gatwick Airport at 8.20 am on Friday (November 22) following the discovery of a suspected prohibited item in luggage,” a Sussex Police statement said.
“To ensure the safety of the public, staff and other airport users, a security cordon has been put in place whilst the matter is dealt with. As a precaution, an EOD (Explosive Ordnance Disposal) team is being deployed to the airport. This is causing significant disruption and some roads around the South Terminal have been closed. We’d advise the public to avoid the area where possible,” it said.
Footage on social media taken outside the airport showed crowds of frustrated travellers being moved away from the terminal building.
Gatwick said it was working hard to resolve the issue.
“A large part of the South Terminal has been evacuated as a precaution while we continue to investigate a security incident," the airport said in a social media post.
“Passengers will not be able to enter the South Terminal while this is ongoing. The safety and security of our passengers and staff remain our top priority. We are working hard to resolve the issue as quickly as possible.”
Train and bus services that serve the airport were also impacted while the police carried out their inquiries.
In an unrelated incident in south London on Friday morning, the US Embassy area in Nine Elms by the River Thames was the scene of a controlled explosion by Scotland Yard dealing with what they believe may have been a “hoax device”.
“We can confirm the 'loud bang' reported in the area a short time ago was a controlled explosion carried out by officers,” the Metropolitan Police said in a post on X.
“Initial indications are that the item was a hoax device. An investigation will now follow. Some cordons will remain in place for the time being but the majority of the police response will now be stood down,” it added.
