${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_v\text{a}\text{r}\text{y}\text{a}\text{c}\text{r}\text{o}\text{s}\text{s}CRM\text{t}\text{o}\text{u}\text{c}\text{h}\text{p}\text{o}\text{i}\text{n}\text{t}\text{s}}$

Question $10$ options:

$1$

Theoretical perspectives

$2$