But my impression is that the cutting edge of the business comes not just in putting the company's services in the palm of your hand, but also transmitting their culture.

WSJ: Inside the App Culture

In the letter, Ms Huws warns that there is a danger "that incorporating the Board's duties within the Government would make the language less visible, giving the impression perhaps that the Government is cutting back on its support for the language".

BBC: NEWS | UK | Wales | Language body's warning on status