According to the business insider website, the release of Apple’s new MacBook Pro marks that the MAC has completely boarded the usb-c train.

The new MacBook Pro has no standard usb-a interface, no HDMI interface for connecting to the TV, and no SD card slot for migrating photos from the camera to the computer. In order to continue using the existing equipment, users must purchase new cables or some new adapters.

Just two months ago, apple “cut” the 3.5mm headphone jack still widely used on the iPhone 7.

It is worth pointing out that in the past, Apple has been ahead of its peers in the industry for many times in cutting down device interfaces. Business insider briefly lists those interfaces that have been cut down by apple over the years:

The Apple device with the most changes has revitalized the company after years of difficulties: IMAC G3. This all-in-one computer was released in 1998. It has removed the floppy drive, SCSI for connecting the hard disk, and ADB interface for connecting the keyboard and mouse.

It is worth pointing out that apple and Sony replaced the 5-inch floppy drive with the 3.5-inch floppy drive in the early 1980s – although its significance cannot be compared with that of removing the floppy drive.

Instead of them, USB interfaces are used. USB soon became the most widely used interface standard in the field of consumer technology.

Apple launched three macbooks in 2008, including the first generation MacBook Air. By then standards, the MacBook Air was incredibly thin, but it came at a price. The MacBook Air removed the Ethernet interface and cd/dvd drive.

At present, these technologies are far from “dying”, but Steve Jobs’ claim that most people will not think of optical drives first is not necessarily wrong. The continued rise of digital media, as well as the emergence of many ultrabooks after the release of MacBook Air, have proved what jobs said.

Of course, MacBook Air users are not completely unable to watch DVD movies, but they need to buy a $99 CD-ROM drive.

Neither the air nor the ordinary MacBook of that year had FireWire interfaces (the FireWire interfaces of the MacBook Pro were reduced from 2 to 1). Firewire was a key feature of the first generation iPod, but gradually gave way to USB 3.0 and thunderbolt. In 2013, MAC said goodbye to FireWire.

The iPhone 5 released in 2012 eliminated Apple’s 30 pin dock interface and adopted another proprietary standard, lightning, which dissatisfied hundreds of millions of IOS users. Today, the thinner lightning interface seems to be a worthwhile upgrade. However, it was uncomfortable to watch Tim Cook use the latest iPhone to sentence the accessories for 10 years to death.

In order to facilitate the transition, Apple launched two lightning-30 pin interface adapters, which cost US $29 (about RMB 200) and US $39 (about RMB 269) respectively.

It remains to be seen whether Apple’s ultra-thin MacBook can reproduce the brilliance of its predecessors, but when it was released last year, it did cause some users’ dissatisfaction like the MacBook Air. Like the original air, the MacBook is only equipped with a USB interface – the growing usb-c standard, without USB 3.1, thunderbolt, HDMI or other interfaces.

However, as always, users can purchase enough accessories to improve the MacBook connectivity, such as the usb-c-usb adapter of $19 (about RMB 131) and the USB digital AV multiport adapter of $79 (about RMB 545).

The iPhone 7 released this year removed the headphone jack. Time will determine whether Apple is wise to adopt wireless audio technology.

Different from other technology replacement examples listed in this article, it is difficult to say that the standard (Bluetooth) apple promotes in the iPhone 7 is significantly better than the technology it replaces – the 3.5mm standard headphone jack.

Bluetooth still has problems in connection, battery life and sound quality. As for Apple’s claim that the headphone jack takes up valuable body space, compared with the iPhone 6S, the iPhone 7 is not particularly thin and the battery life is not particularly long.

If you still like to use wired earphones, you must use lightning connector earphones – lightning connector earphones are not as popular as 3.5mm earphones, and the price is higher, or use adapters – the price is $9 (about RMB 62).

Finally, the new MacBook Pro. Before the release of the new MacBook Pro, enough other devices had adopted usb-c interface. Apple was one of the first companies to remove all other interfaces from notebooks for professionals and only retain usb-c interface.

Some professionals have questioned whether the lighter and thinner design caused by the removal of common interfaces is worth the inconvenience compared with carrying a variety of adapters.

However, compared with the iPhone 7, which promotes Bluetooth and lightning, the MacBook Pro uses more advanced and open technology. It has obvious advantages in compatibility and reliability, and should be the future development direction.

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