Facebook updates its CPC definition

Facebook is unrolling an updated CPC definition that will affect both CPC (which may go up) and CTR figures (which may decline).

Until now, CPC accounted for all clicks including likes, comments, shares, clicks to a website, clicks on "continue reading," and others. CPC will now account only for clicks related to a given ad objective, like clicks to visit another site, call-to-action clicks that lead elsewhere (like "Shop Now"), or clicks to install an app, for example. Engagement clicks (likes, comments, and shares) will no longer be counted.

Read more about How Cost per Click is Measured on Facebook.

E-commerce 3.0 for Walmart

Amandeep Singh Junejan, senior director for cloud operations and engineering at WalmartLabs:

"Ecommerce 3.0 is all about combining distribution so that all inventory is available to all customers all of the time, involving integration of the digital and physical worlds."

Read more at ComputerWeekly.com

Reuters: Amazon in talks to buy online luxury retailer Net-a-porter

Amazon.com is in talks to buy online luxury retailer Net-a-porter in what could be the biggest acquisition yet for the e-commerce giant, but the negotiations are in early stages and could fall apart, Forbes reported, citing a person familiar with the matter.

Reuters