You can use arrow keys to navigate in the map.
It's easy to store.
It grows and the trend is self reinforcing.
Not if it stays limited at 100KB/min
If something else comes along that's possibly better (or somehow different), it's value will drop due to it relying heavily on the people who use it for transactions.
The value of Bitcoin will deflate in the long run, making it a less valuable currency for a modern economy.
It doesn't have inflation.
The fact that it cannot be taxed gives government a strong incentive to abolish or ban its use within their borders; this makes it an inherently unstable currency, combined with the fact that nothing backs it. Paper money usually at least has the backing of a government.