The ambiguity creates a bad customer-merchant dynamic.
MyTime will show you what the prices are depending on the dates (the startup offers merchants dynamic pricing during off times — more on that later).
Marlowe's merchant is as dynamic and loquacious as Milton's Satan.
When you tap your card to pay for something, a device number is relayed to the merchant along with a dynamic security code.
Firearms merchants are well aware of this dynamic, and some allude to the threat of new gun control measures in their advertising.
That dynamic has been a challenge for online merchants and investors, who a decade ago envisioned Internet stores as relatively inexpensive (and therefore extremely profitable) operations.
Mr. Papadimitriou advised consumers to avoid so-called dynamic currency conversion, which is what happens when a merchant asks you if you would like to have your purchase total converted on the spot into American dollars.
[Update: A Facebook spokesperson offered a little more context about this, namely that the main use case for the dynamic product ads is retargeting, namely using data collected from the merchant's website or app to customize the ad.
"Our focus on payments and ability to innovate for merchants and consumers continues to differentiate PayPal and drive our growth in a dynamic and competitive environment".
The Internet has already made retail pricing more dynamic than ever, and BarPoint will further the trend by letting manufacturers and merchants compete for consumers at the same time.
