'We cannot shy away from talking about this dreadful phenomenon'published at 18:18 British Summer Time 27 June 2017
Ms Martin says it is not only children in developing countries and that it happens in Scotland too.
The SNP MSP says no constituency is free of this and every one has someone paying for material online.
"We cannot shy away from talking about this dreadful phenomenon," she says.
She says lets keep attention on the issue and say firmly "not on my screen".