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@@ -4,7 +4,7 @@ author: someone
 ---
 At robur, we build performant bespoke minimal operating systems for high-assurance services.
 
-Advantages
+With our approach to systems development we provide the following advantages for you:
 * based on the unikernel pioneer [MirageOS](https://mirage.io)
 * secure implementation guarded against memory corruption, typelevel problems, leaky abstraction and unforseen state
 * ready for the cloud, services run on all major hypervisors
@@ -13,10 +13,24 @@ Advantages
 * can target embedded devices because of small size and the ability to compile to native code
 * minimized state allows to reason about entire systems and their adherence to the specification
 * extensive library ecosystem, yet minimal trusted code base at runtime
+* rapid prototyping with a seamless path from prototype to production
 
-from scratch with security in mind, directly on the virtualization layer.  
-Each service is a separate virtual machine image with exactly the
-required code, and no need for a multi-purpose operating system kernel.
+Computers on the Internet get compromised,
+- to access data on the computer (databases, passwords, user accounts) or block
+  access to it (Ransomware),
+- to participate in DoS of other services (e.g. the Mirai botnet on SmartTVs)
+  and manipulate opinion (chatbots).
+
+The software stack often includes parts which are no longer needed, such as
+floppy disk drivers.  Critical security updates are rarely deployed in time,
+because such a change may result in unforeseen behaviour.  Additionally, lots of
+embedded devices (home router, SmartTV, etc.) have no secure update channel.
+
+Instead of trying to fix these decades-old operating systems, which were
+designed as multi-user time sharing systems of the past, we build small services
+from scratch with security in mind, directly on the hypervisor.  In
+our operating system, each service is a separate virtual machine with only the
+required code.
 
 This makes our systems much smaller.  The binary size of an HTTP server with TLS
 support in our system is around 4% compared to one in a conventional operating
@@ -30,7 +44,7 @@ formally verify the correctness of the entire virtual machine with a theorem
 prover.
 
 One of our single purpose operating systems boots within milliseconds, and has a
-tiny memory footprint.  For client-side features that run in a webbrowser, we
+minimal memory footprint.  For client-side features that run in a webbrowser, we
 compile to JavaScript from the same codebase, to ensure consistency. The strong
 and static type system helps to detect errors early, and enables rapid
 prototyping.  For production use the prototype code can be further optimized for