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Comment by 127001brewer | Hacker News Reader

My impression was don't over-extend a product, such as Evernote or LinkedIn have done, and try to keep your product focused - similar to the Unix philosophy of "Do One Thing and Do It Well".

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I'm pretty sure you implied that, but just to be sure, I'd like to point one thing out: Doing one thing well won't help your product if there is no way to use other "things" that do their thing well. It seems like products often suffer from feature creep when there is no common way of interfacing with external products. I haven't used Evernote, but maybe the lack of proper ways to interface with external software on each platform was the main reason for them becoming bloated. Android with the intends system seems like one way of doing that but I feel it might not be powerful enough for most problems. Also you have no good way of guaranteeing the user experience if your surroundings might change in unpredictable ways. So it's not that easy.

Agree 100% . I think also by keeping the perimetre of the product under control; it is easier to understand for the user and the developer, it satisfy the principle of less surprise; it keep the vision and the focus in the long term and in then end make clearer what the product does and what cvalue it brings.

I would say my reflection to achieve this would be to define

- what is the product perimetre

- what architecture/design principle will bring you capabilities and useful abstraction

- what are the best interface/extension points for allowing user to extend the usage easily

Then hard work, iteration and pivot

Not always possible. Even in the unix world you need to use multiple single purpose tools to get something useful done and therein friction lies.

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