Visitors who clicked the ad tuned into a live stream of the one-day event, Webcast inside the banner.
Bank of America was a sponsor of the conference.
An advertiser has never before hosted a live Webcast of a Times conference within an ad, says ADWEEK.
The ad "represents the demand by marketers today to align with, create and use content to get the attention of ad-weary consumers in fresh ways," ADWEEK says.
Expect to see a lot of copycats in the next 12 months.