For much of Monday — only the busiest offseason day for NFL transactions — Twitter was down. It's back up. For now. So what happened? Via Todd Spangler of Variety.com, Twitter owner Elon Musk said this,

Elon Musk’s X has been hit by three waves of outages since this morning, which the billionaire said was due to a cyberattack.

The social media platform has been experiencing widespread outages all Monday, which CEO Elon Musk said was caused by a "massive cyberattack." The outages began before 5 a.m. Monday with around 20,000 users affected, according to Downdetector.

Elon Musk spent the weekend with President Donald Trump at Mar-a-Lago, getting a round-trip ride on Air Force One. While Musk has spent an increasing amount of time with Trump, three of his companies are having a rough go.

Elon Musk has launched an appeal to reinstate his record-breaking $56 billion Tesla compensation plan, arguing that a lower court wrongly overturned it.

Donald Trump transformed the lawn of the White House into a temporary showroom for Tesla vehicles, and people have been left stunned. They can't believe what he did next