More than 50 per cent of the total adspend came from four categories: finance, which spent 16 per cent of the total online expenditure; computers and electrical with 15 per cent; entertainment, which spent 12 per cent; and education and learning with 8 per cent.
For the second quarter in a row, Citicorp Group, parent of Citibank, was the leading corporation to invest in online advertising, earning it more than 327 million impressions on its ads. PCCW was the second largest spender, garnering 190 million impressions.