Dynamic format selection and delivery

A system comprising:

• physical data storage configured to store user profile data, format association data, and work format options data, the work format options data comprising a plurality of format options in which a plurality of works are available for selection by the user from an electronic catalog;
• one or more hardware processors in communication with the data store, the one or more hardware processors configured to at least:
• identify a user format preference based at least partly on a past user interaction with at least one work in the electronic catalog;
• receive a request from the user for a requested work of the plurality of works;
• determine a current context of the user, the current context representing an environment in which the user made the request for the work;
• access the format association data comprising an association between a context attribute of the current context and at least some of the plurality of format options;
• in response to determining the current context representing the environment in which the user made the request for the work, (i) select a format option for the requested work from the at least some of the plurality of format options based at least partly on the identified user format preference, wherein the format option is associated with the context attribute of the current context, and (ii) predict an updated context to which the user will switch while consuming the work;
• electronically output the requested work for presentation to the user in the selected format option via a user interface generated based at least partly on the selected format option and the updated context;
• determine, during consumption of the requested work by the user, that the current context of the user has changed to the updated context;
• identify a different format option of the plurality of format options that is associated with the updated context;
• and
• electronically output the requested work for presentation in the different format option.

A non-transitory computer readable storage medium storing computer executable instructions that, when executed by a computer system, configures the computer system to perform operations comprising:

• receiving, from a user device, of a user, a request for a work, the work available for selection by the user from a content site in a plurality of format options;
• determining a current context of the user device, the current context representing an environment in which the user made the request for the work;
• accessing format association data comprising an association between a context attribute of the current context and at least some of the plurality of format options;
• in response to determining the current context representing the environment in which the user made the request for the work, (i) selecting a format option from the plurality of format options based at least partly on association of the format option with the context attribute of the current context, and (ii) predicting an updated context to which the user will switch while consuming the work;
• electronically delivering the work in the selected format option for presentation to the user via a user interface generated based at least partly on the selected format option and the updated context;
• determining, during consumption of the work by the user in the selected format, that the current context of the user has changed to an updated context;
• identifying a different format option of the plurality of formats options that is associated with the updated context;
• and
• electronically outputting the requested work for presentation in the different format option.