By Kevin Collier | CNN

/ Photo credit: Adapted by WhoWhatWhy from Christiaan Colen / Flickr (CC BY-SA 2.0) and Douglas W. Jones / Wikimedia Commons (CC0).
Citing security concerns, Colorado has become the first state to stop counting ballots with printed barcodes.
The state’s secretary of state told CNN she felt it was a necessary step to ensure Colorado maintains its position as a national leader on election security.
The decision is a further step toward prioritizing the role of human eye, rather than computers to count votes.
In recent years — after researchers have repeatedly demonstrated it’s possible to hack many voting machines in particular circumstances and the US intelligence community detailed Russia’s interference in the 2016 election — both government and industry leaders have reached a general consensus that the US needs to use paper ballots so that elections can be properly audited.