Query Meanings Can Change Over Time

Remember to think about the query and its current meaning as you are rating. We will assume users are looking for current information about a topic, the most recent product model, the most recent occurrence of a recurring event, etc., unless otherwise specified by the query.

The interpretation of the query [iphone], English (US) has changed over time as new iPhone models have been introduced. The first iPhone was introduced in 2007. Users searching for [iphone], English (US) at that time were looking for the newly introduced first iPhone model. Most users now are looking for the most recent or upcoming iPhone model. In the future, new models will come out and the dominant interpretation will change again.
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