http://www.wisebread.com/how-much-caffeine-is-in-that
Starbucks latte, 16 oz: 150mg
Starbucks espresso, 1 oz (1 shot): 58-75mg
Starbucks Tazo chai tea latte, 16 oz: 100 mg
Regular black tea, 8 oz: 40-120 mg
woohoo! (caffeine high) I have been consuming quite a bit of caffeine eh. especially when drinking super-over-steeped tea in the office.
important point: coffee drinkers are just deluding themselves that they need coffee to stay awake. my tea works as well, or better. and tea tastes better. meh.
on the other hand, perhaps i should watch my tea intake. but but…