Please answer the following question: Given the following passage "In April 2008, a 90m contract was signed with Boeing for a "quick fix" solution, so they can fly by 2010: QinetiQ will downgrade the Chinooksstripping out some of their more advanced equipment.", answer the following question. Note that the answer is present within the text. Question: Apple's iPhone 4 was released in what year?
A:
2010