"The others have a challenge ahead of them," said Randy Giusto, an analyst with IDC, a technology consultancy.

He was general partner at @Sanix.com, New York, a technology consultancy.

"This looks to me like a niche business," said Christopher Chute, an analyst with IDC, a technology consultancy.

So Cambridge Design Partnership, a technology consultancy, said it would try to come up with an automated solution.

Ungana-Afrika delivers technology consultancy and research to the broad ICT4D community.

"You've got to give them credit," said Henry H. Harteveldt, an online travel analyst with Forrester Research, a technology consultancy.

About 35 percent of cellphone users send or receive text messages, according to Forrester Research, a technology consultancy.

With Nick Black, he set up ZXV Ltd, a technology consultancy in 2006.

"This is pretty darn cool," said Charlene Li, an advertising analyst with Forrester Research, a technology consultancy.