Where do President Trump and Joe Biden stand on tech policy issues?

Reuters today offers a look at the stances of Republican President Trump and his likely Democratic opponent, Joe Biden, on some key tech policy issues:
Reuters:Apple CEO Tim Cook (left) confers with U.S. President Donald Trump in September 2019• Breaking Up Big Tech Companies: Biden, who was vice president during the Silicon Valley-friendly administration of President Barack Obama, has criticized Facebook and other tech giants during his campaign and proposed a minimum federal tax aime