"We have built up knowledge about the situation and we want to share that knowledge with the president," said Dr Jibrin Ibrahim, a campaign member and civil society activist in the capital, Abuja.
"We have built up knowledge with the ATV on some technologies that are on the leading edge, and it would be quite a pity if we just stopped after all the time and money we have invested these technologies," Nico Dettmann, who runs Esa's ATV programme, told me.
But now they have built up knowledge and a plan to act on it".
Elsewhere, resentment has built up.
But everything has built up.
In his day, job Sir Sherard had built up extensive knowledge and contacts but he is thought to have felt that his role in the "Af-Pak" scene was becoming redundant with the appointment of Mark Sedwill, the former British ambassador to Kabul, as the senior Nato civilian representative in Afghanistan.
Pearson has built up a knowledge of plants vital to moths, from sweet rocket (Hesperis matronalis), honesty (Lunaria annua) and campion (Silene) to scabious, enchanter's nightshade (Circaea lutetiana) and cuckoo flower (Cardamine pratensis), all of which help to ensure their survival at Shandy Hall.
Despite its history, Clyde tells Helen it is the perfect place for him, in 30 years of living there he has built up an intimate knowledge of the landscape, the plants, animals and insects that give the hillside life.
Having built up such an extensive knowledge of the newspaper industry, Brian Leveson could try editing one: the Sun's coverage of I'm a Celebrity would doubtless benefit from having the judge donning the green visor.
