Yahoo patents granted on 24 February 2009

5 US patents granted on 24 February 2009 and assigned to Yahoo

1 7,496,857 Systems and methods for relating events to a date or date range selection
2 7,496,633 System and method facilitating a shared content experience using enhanced messaging including a displayable status indicator
3 7,496,623 System and method for enhanced messaging including a displayable status indicator
4 7,496,607 Method and system for maintaining synchronization between a local data cache and a data store
5 7,496,549 Matching pursuit approach to sparse Gaussian process regression