Update introduction.md

Author: wmwxwa

articles/cosmos-db/mongodb/introduction.md

@@ -14,7 +14,7 @@ ms.date: 09/12/2023
 
 [!INCLUDE[MongoDB](../includes/appliesto-mongodb.md)]
 
-[Azure Cosmos DB](../introduction.md) is a fully managed NoSQL, relational, and vector database for modern app development.
+Azure Cosmos DB is a fully managed NoSQL, relational, and vector database for modern app development. It is the database that ChatGPT relies on to [dynamically scale](../introduction.md) with high reliability and low maintenance because of its single-digit millisecond response times, automatic and instant scalability, and guaranteed speed at any scale.
 
 Azure Cosmos DB for MongoDB makes it easy to use Azure Cosmos DB as if it were a MongoDB database. You can use your existing MongoDB skills and continue to use your favorite MongoDB drivers, SDKs, and tools by pointing your application to the connection string for your account using the API for MongoDB.