What are some typing techniques to improve typing speed and accuracy? - Typing in 12 Simple Lessons

Touch typing is the most important typing technique for improving typing speed and accuracy. This technique focuses on developing muscle memory in the fingers.

Typing in 12 Simple Lessons
Typos Are Costly: Mastering Touch Typing to Prevent Errors - Typing in 12 Simple Lessons

Typos are costly, as they are spelling errors that occur while typing on a computer or smartphone, leading to significant consequences. The plural form is typos

Typing in 12 Simple Lessons
Amazon.com