This is a short essay on why Big-Oh notation matters<p>When you are a "technology company" (whatever that means to you), adding a new user/customer is on the order of 1<p>Ie, O(1)<p>There are <i>no</i> "technology companies" under this rubrick<p>There are only companies for whom adding customers is - effectively - pointless: a little incremental revenue, but no (or <i>practically</i> no) incremental overhead