Which of the following is not considered a recent development in e-commerce?

The correct choice highlights that the exponential growth of e-commerce retail sales is not considered a recent development. This phenomenon has been occurring steadily for some time, particularly amplified by the rise of online shopping and changes in consumer behavior over the past two decades. While the growth may be ongoing and impressive in scale, it is rooted in earlier trends and expansions of the internet rather than a recent innovation or development in the sphere of e-commerce.

In contrast, the other options focus on more recent innovations and technological advancements. The growth of wireless Internet connections has significantly changed how people access the web, facilitating the rise of mobile commerce. Online, interactive models for newspapers and other traditional media represent a shift in how these entities engage with audiences and monetize content in a digital landscape. The use of blogs as a commercial medium has become a more prevalent tactic for brands to connect with consumers and promote products or services through content marketing. Each of these reflects a notable advancement that has occurred in the e-commerce space in recent years, distinguishing them from the already established trend of growing online retail sales.