Pour It On  Dan Mayer is fueled for the energy boom.  There are
dry spells: a week, maybe two, when no cases of energy drinks
arrive at his door. But Dan Mayer doesn't sweat it. He knows
that another energy-drink manufacturer will soon get in touch
with him, ask for his address in Uptown, and then send a crate
of its latest or newest or most extreme product in hopes that
Mayer will review it. When you are the man behind the most
popular energy-drink website in the world, the companies hawking
the product make sure to stay in touch with you.  Today's drink
is XYIENCE, "the official energy drink of the Ultimate Fighting
Championship." In addition to samples of both the "xenergy
clear" and "xenergy cran/razz" versions, XYIENCE has sent Mayer
a T-shirt as well as an ultimate-fighting magazine. He throws
these items in the kitchen closet where he keeps all of the
shwag: hats, T-shirts, magazines, fliers. Decorative cans are
displayed around the kitchen, and his fridge is already full of
energy drinks he has yet to