As the article notes, the Swiss do both. The normal system is a paper ballot based system. This was for secure e-voting for those unable to use paper ballots.

The separate question, of why people are obsessed with it - implicitly in the United States - is a separate question.

sonofhans - to reply to your follow up here, I mostly agree with you. But I would soften it to say it is a tool that can be used for good or bad ends, and I felt the Swiss were using it more towards good ends. But I agreed that the ability to misuse it is intrinsic.