As this article suggests, blogging is not only good for improving your writing skills and online image, but it may even have therapeutic benefits.
“Besides serving as a stress-coping mechanism,” the article states, “research shows that [writing] improves memory and sleep, boosts immune cell activity and reduces viral load in AIDS patients, and even speeds healing after surgery.”
The piece further references a study that revealed cancer patients felt healthier overall when they engaged in expressive writing, even before treatment.
Researchers are also interested in identifying the cluster of neurological pathways that writing is thought to activate in the human brain. So clearly, writing can do much more for humans than convey messages or serve as an easier form of communication.