Ask any FMCG trade marketer in Lagos what they actually receive at the end of a ₦15 million market storm and the answer rhymes. A Word document, four photos of indeterminate origin, and an invoice. That is what passes for "execution evidence" in the Nigerian activations market.
Geo-tagged proof, by default
For three years now the smartphones in every brand ambassador's pocket have been able to take photographs that carry GPS coordinates, timestamps and direction-of-camera. There is no good reason an FMCG client should accept anything less.