Friends who have seen the launch of BlackBerry Z10 should remember Alicia Keys, the beautiful singer and new creative director of BlackBerry, who said she liked it very much at the launch Z10 , and decided not to use iPhone from now on. However, recently, users on Twitter found that Alicia Keys still used iPhone to tweet. However, Alicia Keys later deleted the tweet and said that she had been attacked by hackers.

It is not a mistake to use competitors' products. When using competitive products, you can learn more about the advantages and disadvantages of competitors' products and constantly improve your own products. But more importantly, it can explain why the Z10 looks like the iPhone 5.