The article starts with a humorous note which happens to mirror fields including criminal investigation. It's even touched upon by Malcolm Gladwell in his spaghetti talk.
To design the best UX, pay attention to what users do, not what they say. Self-reported claims are unreliable, as are user speculations about future behavior. Users do not know what they want.
Don't listen to people.
If the users have not actually tried to use the designs, they'll base their comments on surface features. Such input often contrasts strongly with feedback based on real use.
Actions speak louder than words.
An interesting take on changes in the way we use the web by an Irani-canadian after being imprisoned for several years.
Some networks, like Twitter, treat hyperlinks a little better. Others, insecure social services, are far more paranoid. Instagram — owned by Facebook — doesn’t allow its audiences to leave whatsoever. You can put up a web address alongside your photos, but it won’t go anywhere. Lots of people start their daily online routine in these cul de sacs of social media, and their journeys end there. Many don’t even realize that they’re using the Internet’s infrastructure when they like an Instagram photograph or leave a comment on a friend’s Facebook video. It’s just an app.
This aptly describes a lot of the issues I've had with using-social media. Specifically, it mentions how walled-off instagram is.
His blog is now here