After rumours that Apple was going to get rid of the headphone jack in its imminent iPhone 7, more than 200,000 people have signed a petition asking them to reconsider. This humble plug is a rare example of technology that has stood the test of time, writes Chris Stokel-Walker. For what remains an unconfirmed rumour, a lot of people are upset about the new iPhone. It's alleged that Apple will be s
![The 19th Century plug that's still being used](https://cdn-ak-scissors.b.st-hatena.com/image/square/99b44f6328e9ddd2ce8044b8f393ce63b7bec931/height=288;version=1;width=512/https%3A%2F%2Fichef.bbci.co.uk%2Fnews%2F1024%2Fbranded_news%2FE873%2Fproduction%2F_87570595_headphonesjack.jpg)