In July Google's share of all searches jumped to 60% from 53% a year ago, while Microsoft's share slumped to 12% from 13.6%, according to Nielsen Online.
In April, the number of unique visitors to LinkedIn grew by 361% over the year-earlier period, while the much larger Facebook grew by 56%, according to Nielsen Online.
In addition, the web has become the second most trusted news source by 12% of Brazilians, especially when it comes to choosing who to vote (also according to Ibope Nielsen Online).
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Internet analysts at Nielsen Online reported that the number of unique visitors in Britain visiting Facebook fell in January, marking the first time it has seen a decline in the key metric in 17 months.
In July Google (nasdaq: GOOG - news - people )'s share of all searches jumped to 60% from 53% a year ago, while Microsoft's share slumped to 12% from 13.6%, according to Nielsen Online.
Hundreds of companies have tried, from Nielsen to the latest online startups, with very little to show for it.
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In August the number of searches on Bing increased by 5%, while Google searches were down 1.7%, according to UK online measurement firm Nielsen.
MySpace users tend to be "in middle-class, blue-collar neighborhoods, " said Mike Mancini, vice president of data product management for Nielsen, which used an online panel of more than 200, 000 social media users in the United States in August.
Cotsakos left a seven-figure package at Nielsen for a company that had been online one month.
Cotsakos left a seven-figure package at Nielsen for a firm that had been online one month.
Nielsen also reported that the time spent watching online videos increased 45% for the month of January compared to a year ago.
Sheryl Draizen, general manager of the Interactive Advertising Bureau, a trade group representing online advertisers, said that "obviously it's great that Nielsen is innovating" and agreed that time spent on a site is a crucial metric.
Nielsen, a research firm, found that the two most common reasons Americans gave for not buying groceries online were delivery costs and the desire not to have to wait for a delivery.
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