Online advertising set yet another peak in Q4 2013, growing by 17.5% to reach $12.1 billion, the largest quarter on record, according to the latest revenue report [PDF] from the IAB and PricewaterhouseCoopers (PwC). Needless to say, the full-year total of $42.8 billion was also the largest seen yet, representing a 17% increase from the prior year. What didn’t change? The prevailing trends in the online advertising industry. Read the rest at MarketingCharts.