<p>Bitcoins can be converted to other currencies, like USD and EUR.
There are companies accepting bitcoins when selling services and
-goods, and there is even currency "stock" markets where the exchange
+goods, and there are even currency "stock" markets where the exchange
rate is decided. There are not many users so far, but the concept
seem promising. If you want to get started and lack a friend without
any bitcoins to spare, you can even get
<a href="https://freebitcoins.appspot.com/">some for free</a> (0.05
-bitcoin at the time of writing).</p>
+bitcoin at the time of writing). Use
+<a href="http://www.bitcoinwatch.com/">BitcoinWatch</a> to keep an eye
+on the current exchange rates.</p>
<p>As an example, I've set up bitcoin and will be accepting donations
to the address <b>15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</b>. If you want