Amazon solved the discovery problem long ago, so why haven't Apple and Google noticed?
Online retail giant Amazon, it was claimed, came to terms with discovery years ago, pushing products at people based on their previous purchases, or even mere product views.
So why hasn't anyone in the mobile business adopted this model?
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"The real failure of app stores is that they're making discoverability much more difficult for consumers," noted Manifesto Games founder Greg Costikyan at the opening panel at the day.
With noticeable exasperation, Costikyan added, "Amazon solved this problem years ago."
Predictive analytics firm Medio's John Maffei noted in a later talk that 40 percent of Amazon's business currently stems from "shopping cart optimisation" - the practice of recommending goods based on the items currently in your cart or your past purchase history.
Unfortunately, neither Costikyan nor Maffei was able to provide an answer for why both iOS and Android haven't shifted to a similar model, recommending apps based on a user's activity or previous download history.
The benefits for developers would be obvious - easier discovery - and consumer would stand to benefit as well since they'd have easier access to games closely suited to their interests, yet the current app store model doesn't support this.
Until this changes, Maffei noted that the best thing a developer can do to get their game discovered is to "create a game that users want to share with their friends",.
That, of course, is exactly what many developers have been focusing on, with some sweetening the deal with free in-game currency if users push the game out to their Facebook friends.