Among the five methods mentioned, it’s up to you to choose the one that suits you the most. There are however differences relating to what contents you are allowed to send (see details at each method below), and you can decide which devices you are about to send the contents to.
Send to Kindle can be easily learned and then be widely used, working perfectly fine on both PC and mobile phone, sectored into five general methods: Google Chrome, PC, Mac, Email and mobile phone.
It’s a convenient function that enables users to transfer files to Kindle using Wi-Fi connection, without having to go through the trouble of using USB cables. But there’s a prerequisite for taking the most advantage of Kindle, which is understanding how to use Send to Kindle service developed by Amazon. As Kindle’s functions get more and more overarching, this dominant device designed to reestablish the eReader world has been able to suit even more occasions, basically you can view anything you want on Kindle.