This, I think is one of the often misunderstood/overlooked things that need to be attended.

Nowdays "general public" is used to pushing their personal data into various cloud storages and online accounts managed by either device vendors (MS, Google, Apple) or any number of application providers (sports tracking, photos&videos, health&sleep data, notes, documents, ideas, contribution, contacts&frienship, work history & CV's, financical plans and details, credit history, ...etc ... etc ...)

Many people somehow assume that it is "cool" to do so, that they need to share their lifedetails to "network" to be worthwhile.

The horrible downside of this is that once you upload something, there's no taking it back, and you lose the ownership of your data. Remember, "There is no such thing as The Cloud, there are only other peoples computers"

So. The data is out there, it is not safe from the owners of the services to do whatever they wish with it, and moreover, it is not safe from blackhats breaking into these services (as has so often been demonstrated)

Identity theft and personal data theft can make you feel really badly violated and raped. Even as you may "lose" nothing it hurts you, and when you lose money it hurts more.

Now, in a few years this is really going to change a lot; as currently mobile devices may "feel like extension of our minds" it is pretty evident that devices will become extensions of our mind.
This means that there will be devices that we can directly link into our conciousness, regardless of whatever the physical link layer or form of device will be.
Imagine the possibilities with such exomind/exomemory; being able to "google" for a query in your mind, and getting the results in your memory. Or getting an image pop into your mind from your photo collection when you think of it. Imagine being able to communicate and contribute to your community by just thinking about it.

This is going to change the world in fairly radical ways indeed.

And as things currently are, people will jump straight in without safeguards, with trusting the application and platform providers... No lessons learned from the current situation.

If getting your mobile and cloud based accounts hacked feels bad, just think what it will be like when your mind is hacked.