Kenyans are crazy. They will make something big out of nothing. Well, today morning, Safaricom CEO Bob Collymore was spotted riding on one of the city matatus where he 'acted' as a tout.

As usual, Kenyans have joined the 'challenge'.Collymore is trending under hashtag #Bobschallenge and Kenyans are taking photos posing as matatu conductors.

Here are some of the photos making rounds on Twitter