Ribbon speaker cables - benefits?

[chrisc]

At the recent audio show, Stereomusicality was using 3 types of flat ribbon speaker cable

Is there any specific difference between cables contained in a round PVC housing and these?

 

[Baseline]

 

[pwatts]

 

[Crafty]

 

[chrisc]

 

[Shonver]

 

[Den123]

 

[Vaal]