Originally Posted by stevenshev
And you will have only seen these in the non-Citizen lines. And every country participating in the VWP had to have all tourist passports contain these as of a month ago, so lots of people will have them soon.
VWP countries' citizens with standard passports that are machine-readable are able to enter the US just the same as last year. The passports such citizens are using to enter the US don't currently have to have the chip in order to enter the US.