Micro-blogging is what Twitter-like platforms are typically called: a picture, a move, a small paragraph, do that 4 or 5 times a day, you have something that looks like a blog yes.

So yes, right now I would not see me putting on a VR gear just to inflige myself the pain that is Amazon, but if you tell me that in 10 years 20% of the online shopping is actually done in-game in a VR environment, I would not be too quick to say it is impossible.