AT&T has an ampersand in their name.
AT&T is another way to write it.
This & that.
4 < 5.
6 > 5.
Here's a <a href="http://example.com/?foo=1&bar=2">link</a> with an ampersand in the URL.
Here's a link with an amersand in the link text: <a href="http://att.com/" title="AT&T">AT&T</a>.
Here's an inline <a href="/script?foo=1&bar=2">link</a>.
Here's an inline <a href="/script?foo=1&bar=2">link</a>.