Employees can easily experience tunnel vision even if they were happily dogfooding the product themselves:<p><a href="http:&#x2F;&#x2F;www.theverge.com&#x2F;2016&#x2F;2&#x2F;6&#x2F;10926816&#x2F;twitter-employee-experiences-harassment-on-twitter" rel="nofollow">http:&#x2F;&#x2F;www.theverge.com&#x2F;2016&#x2F;2&#x2F;6&#x2F;10926816&#x2F;twitter-employee-e...</a>