Marketers are well aware that social media sites can play a role in influencing consumers, whether it is through product endorsement or building customer loyalty, for example. However, research by Christian Hildebrand and Tobias Schlager suggests that the effect of Facebook on consumers is both more subtle and powerful than commonly realized. They demonstrate that merely browsing this social media site has a significant impact on subsequent consumer decision making.
Privacy issues associated with the online sharing of data, from photos to genetic information, have been the subject of much discussion recently. One particular problem is how to protect the privacy of people who are featured in shared data, such as group photos, for example, but are not the uploaders of that data, and may not even be aware of the data being shared.