Main differences between ITIL 4 and ITIL 3

This video is about the main headline differences between version 3 of ITIL and version 4. If you are from an Information Technology Infrastructure Library background or perhaps just starting your ITIL journey and looking into ITIL version 4 certification, this video will help understand 'what is the difference between ITIL 4 and ITIL 3.
..... having come from an ITIL3 background myself I share the items I noticed.