Yahoo chief Jerry Yang has said the ad industry is facing the toughest downturn in decades and he was monitoring the effects on the internet search market. By Mark Sweney
Forecasts for social-network advertising were already being scaled back long before the credit crisis began dampening ad spending, but Facebook is keeping the torch burning for its new "engagement ad" format
The chief executive of Yahoo, Jerry Yang, said he felt let down by Google's decision to pull out of an advertising agreement between the two internet rivals. By Bobbie Johnson
You can almost hear the collective sigh of relief on both sides of the Atlantic; the proposed deal between Google and Yahoo is looking increasingly less likely to happen
The website at the centre of controversy over the racist abuse is owned by TWBA, part of the world's largest media services group, Omnicom. By Giles Tremlett and Matthew Taylor
Online marketing spend in Russia will total between $1bn (£610m) and $1.5bn (£920m) this year as spending on most European countries plummets amid widespread fears of recessions and economic slowdown, reports Lenta.ru, via snfblog
Sony BMG has signed up filmmakers including Stephen Kijack and Brazilian Marcos Prado to make a series of online short films to promote Dido's new album. By Mark Sweney
The Living Room Candidate website provides a fascinating insight into changing campaign styles with more than 300 TV ads from US presidential elections dating back to 1952
Universal Music chairman Lucian Grainge is to be an ambassador for the UK government's 'Davos for creative businesses' world conference. By Mark Sweney
Google increased its global dominance in the search advertising market over rivals such as Yahoo in the third quarter of 2008, according to a report. By Mark Sweney