USB sticks are much more common nowadays

wiki/src/about.mdwn

@@ -10,7 +10,7 @@ Tails is a live system that aims to preserve your privacy and anonymity. It
 helps you to use the Internet anonymously and circumvent censorship almost anywhere you go and on any
 computer but leaving no trace unless you ask it to explicitly.
 
-It is a complete operating system designed to be used from a DVD or a USB stick
+It is a complete operating system designed to be used from a USB stick or a DVD
 independently of the computer's original operating system. It is [[Free
 Software|doc/about/license]] and based on [[Debian GNU/Linux|https://www.debian.org/]].
 

wiki/src/index.html

@@ -4,7 +4,7 @@
 
 <p>
 Tails is a [[!wikipedia desc="live operating system" Live_USB]] that
-you can start on almost any computer from a DVD or USB stick.
+you can start on almost any computer from a USB stick or a DVD.
 </p>
 
 <p>

wiki/src/support/faq.mdwn

@@ -118,7 +118,7 @@ Can I install Tails permanently onto my hard disk?
 --------------------------------------------------
 
 This is not possible using the recommended installation methods. Tails is
-designed to be a live system running from a removable media: DVD or USB stick.
+designed to be a live system running from a removable media: USB stick or DVD.
 
 This is a conscious decision as this mode of operation is better for what we
 want to provide to Tails users: amnesia, the fact that Tails leaves no traces on