Not necessarily. In developing countries like India, CPC is much much less and hence it is possible to create a profitable Adwords campaign.

Perhaps the App Store should provide an option to the developers to hide the app from the listing pages based on a negative list of countries?

Is this financially viable?

That's Quite possible.

Or if someone is a real cheapskate, they could come here twice a day (£3.6) for two meals. They have coffee, fruits, veges and a kitchen - what else do you need?

That's pretty cool.

A large majority (including me) are completely blank about anything before age 6 or so.

It all depends on the writer. If the content is useless, the summary would be too.

I often use tl;drs (or do a content scan first, in case tl;dr isn't present) to see if the content is useful and will add value, before reading in full.

Very well put.

Even if they were to make possessing bitcoin illegal, enforcing something like this is impossible.

At best, they can close the Indian exchanges (why is again: bad) but this cannot stop people from transferring funds abroad and trading on a foreign exchange.

>But isn't that the same as selling something through OLX?

Absolutely correct, which is why banning or restricting its transaction is not the solution. Bitcoin is equally anonymous as cash in this aspect.