SAP CRM Training

Hello SAPexperts !

I'm interested and keen to take SAP CRM training.I need some guidance from you guys regarding it.I know SAP CRM has many sub components.Which ones I should learn keeping the job market inview?

CRM - Interaction Center

CRM - People Centric User Interface

CRM - Sales

CRM - Service

CRM - Marketing

Thanks for your valuable time.

Regards,

Smitha reddy.