He will host a Tweetchat about tech startups in Africa . Erik Hersman , BRCK CEO , Ushahidi co-founder . Special guests include Juliana Rotich , Erik Johnson and Rebecca Enonchong . Follow # CNNAfrica on Twitter on Friday , January 14 at noon ET .
He will host a Tweetchat about tech startups in Africa . Special guests include Juliana Rotich , Erik Johnson and Rebecca Enonchong . Follow # CNNAfrica on Twitter on Friday , January 14 at noon ET .