The biggest challenges for US tech firms in 2019: GDPR-like privacy protections, large security breaches becoming routine, and anti-government employee protests (Susan Fowler/New York Times)

Susan Fowler / New York Times:
The biggest challenges for US tech firms in 2019: GDPR-like privacy protections, large security breaches becoming routine, and anti-government employee protests  —  How privacy, security and employee protests will shape the year ahead for Silicon Valley.  —  Ms. Fowler is an editor in the Opinion section.