1. The document discusses Safaricom's BCG matrix and analyzes their various strategic business units (SBUs). 2. M-Pesa is classified as a star and is Safaricom's most successful SBU, contributing 30.3% of revenue. 3. Data services are classified as a question mark as Safaricom is expanding 4G and fiber networks but data remains a smaller revenue contributor currently. 4. Voice services are classified as a cash cow as it remains a significant revenue source though growing more slowly.