Every single time. Setup: 1. Turn on mobile hotspot (ideally wired - it makes a difference when on SF BART) 2. Throw the earmuffs on (I wear https://www.amazo

Every single time. Setup: 1. Turn on mobile hotspot (ideally wired - it makes a difference when on SF BART) 2. Throw the earmuffs on (I wear https://www.amazon.com/3M-Earmuff-Protectors-Hearing-Protection/dp/B00009LI4K https://www.amazon.com/3M-Earmuff-Protectors-Hearing-Protect...) 3. For extra levels of sound proof, wear earbuds undernearth above 4. Turn on laptop (lenovo x250 with 9-cell extended battery) Having a seat is critical. I'm lucky that my commute usually involves one end of the line to the other. This makes it easy to get a seat. Also, don't completely zone out into your laptop. More than once I've had people warn me to keep my eyes open for some of the more interesting characters who ride the BART.