Google graduate three gmail lab features. The new features are Superstars, Nested Labels and Advanced IMAP Controls and it retiring the Google Search box lab feature.
Superstars: New superstars feature provides different types of stars in gmail.
Nested Labels: New Nested labels feature provides ability to organize labels hierarchically.
Advanced IMAP Controls: New advanced IMAP controls feature provides Syncing only selected labels or limiting the folder size limit
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