Vote glitch reports pile up in US election (Update)

Voting went smoothly in Tuesday's US elections, except when it didn't. Some computer problems, as well as human ones, drew complaints across the country as millions of Americans went to the polls.

Ahead of US election, angst over hacking threats

At a Boston technology conference last month, computer scientist Alex Halderman showed how easy it was to hack into an electronic voting machine and change the result, without leaving a trace.

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