Use Ampersands Sparingly
Reserve ampersands for proper names, established shorthand, and tight spaces. Do not use them for "and" in running text. Many typefaces have beautifully designed ampersand glyphs that work as decorative elements in display contexts.
Incorrect (ampersands in prose):
<p>We focus on design & development & strategy.</p>
<p>Read the terms & conditions before signing.</p>Correct (ampersands for proper names and shorthand):
<p>We focus on design, development, and strategy.</p>
<p>Johnson & Johnson reported earnings today.</p>
<p>This is an R&D initiative.</p>