User interface and methods for recommending items to users

A system, comprising:

• a server system comprising one or more physical servers that respond to requests from user computing devices, said server system configured to implement shopping carts for enabling users to select items from an electronic catalog for prospective purchase, said server system programmed to respond to a request from a user computing device to add a selected item to a shopping cart by at least:
• generating a first page that includes a shopping cart portion and a recommendations portion, said shopping cart portion providing information regarding contents of the shopping cart, the recommendations portion providing recommendations of a plurality of additional items that are not in the shopping cart, said first page including a link to a second page that includes at least (1) additional information regarding the contents of the shopping cart and (2) shopping cart editing functionality that is not included on the first page;
• and
• transmitting the first page to the user computing device for presentation to a user.

Non-transitory computer storage that stores executable instructions that direct a computing system to at least:

• retrieve profile data associated with a user;
• select, from a set of candidate item selection methods, based at least partly on the retrieved profile data, a plurality of item selection methods to use to select items to recommend to the user;
• use each selected item selection method to select a respective plurality of items to recommend to the user;
• and
• generate, for presentation to the user in response to a selection by the user of an item to add to an electronic shopping cart, a page that includes multiple recommendations sections and a shopping cart section, each recommendation section corresponding to, and recommending the plurality of items selected with, a respective one of the selected item selection methods, said shopping cart section identifying the item selected by the user to add to the electronic shopping cart.