Shazam has received a $40m ((£26m) investment from Mexican telecoms billionaire Carlos Slim, reportedly the world's richest man.

America Movil, the telecoms firm controlled by Slim, is taking an undisclosed stake believed to be around 10 per cent, which would value the mobile app company at close to £260m, according to The Independent.

Discussing the acquisition, Slim, who holds an estimated $73bn fortune, said: "Shazam is defining a new category of media engagement that combines the power of mobile ...