Denis O’Brien and Facebook

Sir, – Re: "O'Brien takes another swipe at Facebook." (Cantillon, November 9th)

I represent Denis O’Brien. Cantillon declares: “O’Brien might want to get his numbers straight before his next swipe at Facebook.”

In the meantime perhaps Cantillon could provide details of revenues from Facebook’s recent series of full-page ads in The Irish Times?

- Yours, etc,

READ SOME MORE

JAMES MORRISSEY,

Fitzwilliam Quay,

Dublin 4.