These services foster group interaction and resource sharing.Virtual products such as QQ Show, QQ Pet, QQ Game, and QQ Music/Radio/Live have been successful in providing entertainment and customization options to users. Presently, Tencent is aiming its operations at the strategic goal of providing users with a "one-stop online life service".
It had more than 650 million registered accounts by December 2011.
In this system, Pages 1 and 2 would have the lowest PR, Page 3 would be somewhere in the middle and Page 4 would enjoy the highest PR of all.
While the math is complex with many more variables involved, the idea behind Page Rank is simple, democratic and beautiful.
On content-based websites: A site may offer an advanced matching algorithm, robust search engine and free video chat but if it’s only visited by 20 people per month, it is worthless. Statistically speaking, you wouldn’t be able to find a date within 50 miles of your geographic location. Statistically speaking, the chances of these casual visitors staying long enough to view your profile would be next to nothing.
A site may be visited by 1,000,000 people per month but if each person visits only once per month for less than 10 seconds per visit, it is worthless. Even if you emailed them, it would take weeks or months before you received a response because they spend so little time on the site each month.