Companies like Google, Yahoo and Microsoft let advertisers buy ads in the milliseconds between the time someone enters a site’s Web address and the moment the page appears.
The National Highway Traffic Safety Administration is considering whether data recorders similar to those on planes should be required on all new cars and trucks.
Our daily roundup of Internet gems looks at a campaign to award the Nobel Peace Prize to the Internet, quantum computing and one airline's crackdown on video chatting in the air.