Have you watched the Aircel and MTS advertisements?
If not, watch it now. Listen carefully. At the end of both the advertisements, it says Free Facebook and Whatsapp or Free Whatsapp and Viber.
I always wondered, why they have to specifically mention Facebook and whatsapp are free, when they are actually free.
Now I know the answer.
Net Neutrality Matters.
If you wonder, what is net neutrality, why it is important read the following articles carefully, and do something.