It was probably the last thing Facebook needed as it stumbles from problem to problem, including outrage over its use of customers' private data.
The outages started midday on Wednesday. As of Thursday morning, the only good news for Facebook is that plunging stock price appeared to have found a floor. Are you actually talking to people?
People went on Twitter to vent their frustration about the problems.
The outage came amid a period of turmoil for Facebook, which appeared to intensify Thursday with the announcement of the departure of two senior executives at the social network.
On Wednesday, the Times reported that United States federal prosecutors were conducting a criminal investigation into data deals Facebook struck with more than 150 technology companies such as Amazon.com Inc and Apple Inc.
How prosecutors say the admissions bribery scheme worked
The student faked an injury that "stopped her from playing soccer, a sport she simply did not play", Assistant U.S. A false athletic profile created for the student said she had been on China's junior national development team.
In some cases the apps could be accessed but would not load posts or handle missives.
Nothing highlights our slavish dedication to social media more than a social media site going down.
A spokesperson added, "As a result, many people had difficulty accessing our apps and services. We're working to resolve the issue as soon as possible", a Facebook statement said on Twitter. Bloomberg reports that the company said it was evaluating the overall impact of the issue on Wednesday and is still open to "the possibility of refunds for advertisers". It's believed to be the biggest interruption ever suffered by the social network.
While the outage continued, The New York Times reported that USA prosecutors have launched a criminal investigation into the social network's practice of sharing users' data with companies without letting them know.
A NY grand jury has subpoenaed records from two smartphone makers involved in the partnerships, anonymous sources told the newspaper. The federal investigation is the latest bad news coming from the company's data privacy scandals. Back in November previous year, the social media platform also suffered from issues as well.