Nvidia is clamping down on certain 'T5T' emails that once circulated widely inside the company

Nvidia founder and CEO Jensen Huang.

Fabrice COFFRINI / AFP via Getty Images

• Nvidia has narrowed the distribution of certain "Top 5 Things" emails, known as T5Ts.
• T5Ts aim to flatten hierarchy and give Nvidia CEO Jensen Huang a window into daily operations.
• Within Nvidia's sales organization, T5Ts will now go to a "much smaller group."

Nvidia employees may soon notice less traffic in their inboxes.

The chip giant has implemented a change to its internal email strategy known as T5Ts...