&gt; A tweaked logo won&#x27;t affect Google&#x27;s outcome one iota.<p>Ah, but it will.  When you&#x27;re a company like Google, with hundreds of millions of users a day, it&#x27;s only a matter of time that something like an outdated logo will start to lose you customers.  People make sub-conscious inferences about your product based on appearance.  If you start looking like that thing everyone used to use, they&#x27;ll start looking for alternatives.