None of these arguments make any sense. If you want to run a local server 
with sage, you are very welcome to use the sage notebook that is 
distributed with sage itself. Also, this thread should definitely not be in 
sage-devel.

On Monday, August 18, 2014 7:45:36 AM UTC+8, Dr. David Kirkby (Kirkby 
Microwave Ltd) wrote:
>
>
> I think the whole closed source nature is likely to restrict the takeup of 
> Sage for several broad groups of people when they realise that to get high 
> performance they are going to need to store sensitive material on a Linux 
> server they don't control.
>
> As a 50 year old engineer I have worked at three institutions who I know 
> would not want to put workbooks on a server outside their institution.
>
> a) Ministry of Defence - no way.
> b) Airbus - no way. They are very strict on security.
> c) Marconi - most unlikely.
>
> 1) Many commercial companies are not going to be so keen to put 
> commercially sensitive material on a server they don't control. 
> Interlecural  property is valuable company asset. 
>
> Suddenly buying distributed licenses for Mathematica is more attractive 
> from a security point of view. At least Wolfram Research can't look at what 
> you are doing.
>
> 2) Military users are very unlikely to start working on something on a 
> distributed system they can't totally control.
>
> 3) Some academics,  especially those working on mathematics in areas they 
> know UW specialise in, would perhaps no want to put worksheets on a server 
> they know prying eyes will see. Why let someone else look at what you are 
> working on and possibly beat you to publish a paper?
>
> 4) Some individuals are just paranoid and will not use a distributed 
> system they don't control.
>
> No doubt HTTPS will be used to encrypt data in transit.  Maybe worksheets 
> are stored in an encrypted format on disk. But at some stage the data going 
> to be in plain text.
>
> Has anyone working on SageMathCloud ever considered that certain users 
> would not want data stored in a manner they have no control over? 
>
> Dave.
>  

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