Here&#x27;s another way to look at it: Facebook, Google &amp; Twitter sell their software to advertisers that allows them to reach their target audience. Here &quot;selling&quot; is actually a service.<p>Uber is mostly a software company - the cars are owned by the drivers. When you pay for a Uber ride, you&#x27;re infact paying a part of it to the software which helped you find the ride.<p>Apart from that, there are huge swaths of enterprise software companies in every industry&#x2F;domain you will probably have never heard of. Some of them are even billion dollar companies.