https://apnews.com/4407af172d46407f9b05300b0eeaadd5 > WASHINGTON (AP) — Democratic presidential candidate Elizabeth Warren says the technology industry is too heavily concentrated among the biggest companies and she has a plan to address that. > The Massachusetts senator is proposing legislation targeting tech giants with annual revenue of $25 billion or more. It would limit their ability to expand and break up what she calls "anti-competitive mergers" — such as Facebook's purchase of Instagram and Amazon's acquisition of Whole Foods.