Reid Hoffman is a prominent Silicon Valley billionaire entrepreneur and investor known for co-founding the professional social networking site LinkedIn, now owned by Microsoft. He’s also staunchly anti-Trump. The longtime Democrat donor threw his support behind Kamala Harris in the race for the White House. Hoffman spoke to the Observer about technology in the new political milieu and his new book about our future with artificial intelligence, Superagency. The book, while not ignoring the problems that AI might cause, argues that the technology is poised to give us cognitive superpowers that will increase our individual and collective human agency, creating…