Since we are working in IT industry & proving support to our clients, we are always dependent on various form of notification such as emails, sms, voice etc, and none of them are free, especially when the you are sending those traditional notifications across the globe. Currently almost everyone using smartphone, and mostly those are connected to the internet for 24×7, so I guess, it’s time to send those notifications smartly. Try using Telegram Bot for sending personal notification for free to any of the Smartphones.
To start with, you should create your own Bot on Telegram. You should ask the BotFather (father of all the Bots) to create a boot for you.