The forum thread where this is discussed:<p>- <a href="http://bitcointalk.org/index.php?topic=40264.msg1000405#msg1000405" rel="nofollow">http://bitcointalk.org/index.php?topic=40264.msg1000405#msg1...</a><p>The URL that is sent is a bearer code (spendable by anyone with access to the data). I question whether this approach, and consider another problem due to SMS being a channel controlled by the government here:<p>- <a href="http://bitcointalk.org/index.php?topic=90901.0" rel="nofollow">http://bitcointalk.org/index.php?topic=90901.0</a>