Oprah Effect on Twitter

«Share of US Internet visits to Twitter increased 24% on Friday, April 17, the day of Oprah's first Tweet. Comparing visits with the previous Friday, visits were up 43%.
Hitwise clickstream data reveals that on April 17, 37% of visits to Twitter.com were new visitors (as opposed to returning). The service typically has a high ratio of new visitors as it is still very much in a growth phase. However, the percentage of new visitors was 5% higher on Friday than the previous day and the average for March. To give a benchmark, Facebook's ratio of new visitors was 8% in March.
The search term "oprah twitter" was the #35 highest search term with the word "twitter" last week and the #7 with "oprah". Considering that our search data is weekly and that the show only aired on Friday, this is impressive. »
Hitwise