Google's on-fire stock price, now hovering at $300 a share from $85 last summer.
As more viewers - especially young ones - shift from television to the Internet, advertisers are following. Ad revenue is expected to grow to $26 billion in 2010, from $12 billion in 2004, (c)Forrester Research.
Yahoo, MSN and AOL all average more than 100 million users a month; Google gets about 75 million ... (c) comScore Media Metrix.
The broadcast TV networks still dwarf the Internet, with 43.4 million viewers daily (c) Nielsen Media Research.