You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "how often do they make a new iphone?" whose answer is every year.
Each document should contain about 30 words, and these documents should contain useful information.

Query: how often do they make a new iPhone
Useful Output:

Doc 1: Apple releases its new models every year in the fall, so if you can hold off upgrading until late September or early October, you'll get the
Doc 2: Upgrading their device every 2-3 years is a good rule of thumb for most users. This allows you to take advantage of the latest features and
Doc 3: The iPhone 16 is the cheapest and least technically impressive new iPhone. It's also probably the one you should buy.
Doc 4: We recommend the Apple iPhone 16. It offers an almost Pro-like iPhone experience, with new shortcut buttons, excellent cameras, lengthy battery life, and a
Doc 5: You may be wondering, "When will the iPhone 16 be announced?" The iPhone 16 release date is expected to be some time in September. To further