Some users may have noticed that on Black Friday, Walmart was ever-present in Facebook's mobile news feed. That's because the massive retailer was trying out an experiment -- it took out 50 million ads on the social network in an effort to drive users to its Web site for holiday deals.
This experiment was Facebook's biggest mobile advertising campaign ever, and it's looking like there will be more to come, according to the Wall Street Journal. The social network is apparently thinking about letting other companies partake in similar experiments.
Walmart's collaboration with Facebook was … Read more