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There is a lot of confusion around what the dynamic and var types are and when to use them. This video clears that up. Whether you need to know it for a job interview or just to use them properly, this video will show you what they are, why they exist, and when to use them.

0:00 - Intro
0:40 - basic difference explained
3:51 - dynamic auto type conversion and why not to use it
7:07 - examples of how dynamic may fail you at development and fail your application
15:05 - method return type
17:01 - why and when: dynamic
19:02 - why and when: var
24:57 - var as anonymous object and summary