This is partly due to the distracting temptations offered by the internet, and partly because typing encourages verbatim note-taking, rather than paraphrasing, summarising and concept mapping, which are much more effective ways at encoding new information in the memory.*
* This is because you can type faster than you can handwrite. When it's possible to keep up with the speaker and type verbatim notes, that's what students do: but when using a ponderous pen or pencil, they have to develop alternative strategies to prioritise, organise, abbreviate and structure what they hear. This in turn leads to much better learning.
"The Notebook: A History of Thinking on Paper" - Roland Allen













