91Èȱ¬

I'm the 91Èȱ¬'s media correspondent and this is my brief selection of what you need to know.

The Conservatives' manifesto promises to allow the National Audit Office "full access" to the 91Èȱ¬'s accounts the . It echoes Labour's pledge to reform the libel laws and also plans to curb the "commercialisation of children" through marketing and advertising.

Twitter is allowing branded messages - called "promoted tweets" - to appear for the first time according to the and the .

Who will succeed Mark Damazer as controller of Radio 4? The some runners and riders.

The what impact social media will have on the TV election leadership debates.

David Cameron's launch of the Conservative Party election manifesto fills many pages as reflected in the .

Links in full

• Read Tuesday's Media Brief

• Read