Neuralink on Friday unveiled a pig named Gertrude that has had a coin-sized computer chip in its brain for two months, showing off an early step toward the goal of curing human diseases with the same type of implant.
"Aliens built the pyramids obv," Musk had tweeted, picking up on a theme popular with conspiracy theorists and kicking off a predictable flood of replies ranging from light-hearted to furious.
The 17-year-old boy on July 15 posted messages under the profiles that solicited investments in bitcoin, a digital currency.
The Federal Bureau of Investigation and the US Department of Justice conducted a complex nationwide investigation, locating and apprehending the suspect in Hillsborough County.
The cause of the breach was not immediately clear, but the scale and the scope of the problem suggested that it was not limited to a single account or service.
Fraud charges stemming from a Musk tweet once cost him and the company $20 million and implementation of a requirement that his social media use be supervised by Tesla.