The two are heavily invested in the technology and have been two of the most prominent activists for the digital currency — though a number of their ventures have fallen short in the past. (ibtimes.com)
Ackman, one of the industry's most prominent activist investors, said in January that redemption requests had been modest late last year when losses were already piling up. (fortune.com)
Students from Marjory Stoneman Douglas High School in Parkland, Fla., have become prominent activists for gun control in the weeks after a gunman killed 17 of their fellow students and faculty. (thehill.com)