&gt; Twilio offers employees a Kindle plus $30 a month to purchase books.<p>Why not just provide $30&#x2F;month extra salary? Why is this restricted to books?<p>&gt; Twitter is well-known for providing perks such as three catered meals a day<p>What? Why would you need dinner at work?<p>&gt; World Wildlife Fund employees take Friday off every other week, also known as “Panda Fridays” at the nonprofit.<p>Now <i>this</i> is a perk!