Bill Gates is trending on Twitter in Nigeria following a phone conversation between the Microsoft founder and Nigerian President Muhammadu Buhari on Wednesday.

Mr Buhari’s personal assistant Bashir Ahmad tweeted:

But some Nigerians on Twitter have been asking whether it was really Mr Gates who made the phone call or the other way round:

Other people imagined the reaction of presidential candidate Atiku Abubakar, who according to media reports, has said he would call experts from Microsoft, IBM and Oracle to testify that he defeated Mr Buhari in the election:

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