This will be his first historic visit to Sub-Saharan Africa and will use tools such as Twitter, Facebook and SMS to speak directly to Africans. 
Hii itakuwa ni ziara yake ya kwanza ya kihistoria kwenye nchi za Kusini mwa Jangwa la Sahara na atatumia nyenzo kama Twita, Facebook na Ujumbe mfupi wa Simu za kiganjani (SMS) kuzungumza moja kwa moja kwa moja na Waafrika.