- users that have heard of Instapaper and need an app that does what this does. When they need an app that does a certain thing, the majority of the users will

- users that have heard of Instapaper and need an app that does what this does. When they need an app that does a certain thing, the majority of the users will pick the popular brand. - users that have switched from an iPhone recently and have been using that - users that have seen the app on a friend's phone etc ... Seriously now, if you built a game now, and got EA Games to publish it for you, wouldn't you like to get 50% of the profits? Not anyone can build a minecraft