The 2020 presidential campaign is shaping up as a major political headache for tech companies still reeling from blowback over the support they offered Donald Trump’s campaign and the Republican Party in the last election.

Two and a half years ago, companies including Google and Facebook gave the then-Republican nominee the same technical assistance they lend to other candidates, despite widespread distaste among their largely liberal employees for his comments about women, minorities and immigrants.

But now the companies are facing rising pressure from liberal activists to withhold any technical or financial aid for the president and the GOP. The activists, including groups that hold sway in Silicon Valley, say Trump’s track record in the White House makes business as usual out of the question.

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