Rewrite "what is Segment?" page for content audit

src/getting-started/index.md

@@ -4,9 +4,9 @@ title: What is Segment?
 
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-With Segment, you can collect, transform, send, and archive your [first-party customer data](https://segment.com/books/customer-data/first-party-data/). Segment simplifies the process of collecting data and connecting new tools, allowing you to spend more time using your data, and less time trying to collect it. You can use Segment to track events that happen when a user interacts with the interfaces. "Interfaces" is Segment's generic word for any digital properties you own: your website, mobile apps, and processes that run on a server or OTT device.
+With Segment, you can track [first-party customer data](https://segment.com/learn/download/fundamentals-first-party-data/){:target="_blank”}, like interactions with your websites, mobile apps, and processes that run on a server or OTT device, and can send that data, either as individual events or as an aggregate view of a customer's behavior, downstream to different business tools.
 
-When you capture interaction data in Segment, you can send it (often in real-time) to your marketing, product, and analytics tools, as well as to data warehouses. In most cases, you won't even need to touch your tracking code to connect to new tools.
+Segment simplifies the process of collecting data and connecting new tools, allowing you to spend more time using your data and less time trying to collect, process, and share it with business tools. In most cases, you won't even need to touch your tracking code to connect to new tools. 
 
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