3. After signing up switch to contact then click Option >> connect other account [Facebook, Yahoo, Msn, Gtalk..etc]. Now click on Yahoo to connect your Yahoo Account with Mxit by entering your Yahoo login Details in the box provided by Mxit. Mxit will now notify you that you have successfully connect your Yahoo account with mxit. Then you will see all your Yahoo friends on Mxit.
4. Now Exit Mxit then login to your 2go account. Go to Settings >> Gateways >> Mxit and activate your Mxit account. Click friends on 2go, you will see all your Mxit and Yahoo friends on 2go. Under the service, you will see WIKIPEDIA click on it and search for anything you want Goodluck..
Enjoy!!