https://www.reuters.com/article/us-health-coronavirus-tech-tracing/most-americans-cannot-or-will-not-use-covid-19-contact-tracing-apps-poll-idUSKBN22B2TO

More than half of all Americans either do not own smartphones or would not use apps backed by Alphabet Inc's Google and Apple Inc to trace who has been exposed to the new coronavirus, according to a poll by the Washington Post and University of Maryland released on Wednesday.