Google's revenue grew 42% year-over-year and 7% quarter-over-quarter in Q1 2008, driven by 49% growth in Google properties revenue and 25% growth in network revenues, with strong international growth contributing $2.7 billion in revenue; improvements in search quality and ads relevance remained a key focus, alongside providing more value to advertisers and publishers through solutions like the DoubleClick acquisition; operational discipline was exercised while continuing investment in long-term initiatives.