"Crowds erupted in celebration on the southern lawns of the Union Buildings as newly-inaugurated President Jacob Zuma took the podium to address the crowd" according to allAfrica.
Zuma's presidential run has been shrouded in much controversy. Per the LA Times, "Zuma had to overcome rape charges (he was acquitted) and corruption charges (dropped by prosecutors last month on a technicality) to make his date with destiny."
Twitterers weighed in on the newly elected president.
Nelson Mandela was also in attendance. Pictures of the inauguartion can be seen at BBC.