Smartphones can have virtual keyboards or physical keyboards. what are 3 advantages and disadvantages to each one?

Advantages to virtual keyboards:
- You have easy shortcuts
- Cooler emojis 
- And we have google voice (or Siri) with a click of a key
Disadvantages to a virtual keyboard: 
- It is very easy to send something you don't want to send by     
     accidentally touching the send button
-  It is harder for people with big hands to use
-  typing speed will likely be negatively impacted on a virtual keyboard.

Advantages to using a physical keyboard:
-  The keyboard takes up no space on the front panel or on the display area.
- you are making use of muscle memory, which increases your speed
- Typing on a touchscreen requires an on-screen keyboard, which lacks the tactile response of a real keyboard.

Disadvantages to using a physical keyboard:
- For the average consumer, phones with a physical keyboard are a bit bulkier.
- Most phones with a physical keyboard have to be designed a certain way to minimize space and increase efficiency.
- It is a slow method when you need to write a long piece of writing when there are faster ways such as scanning and dictation