I use Gravity Forms on my website to create all my forms, then use Zapier to connect Gravity Forms and Podio.  2) Automating the process of sending out offer letters through the mail.  

IMHO, there are 2 factors driving the trends in that area:1. the center of gravity of the city is moving west.  

You don't want the pink fluffy stuff exposed and falling down with gravity.

Needing desperately to be needed, it will not hesitate to perpetuate the cycle of its gravity in the economy, real estate or otherwise.

The worst part is that taxes aren't affected by gravity; with gravity, what goes up eventually comes down, but we know that isn't happening with taxes EVER!

You could still pull the querystring with jquery for utm_term, easily from the homepage - even plug that into a hidden field in the homepage gravity form to attach it to the lead and know which keyword are driving conversions. 

Not every AC system will have a separate condensate pump - gravity can be used to allow condensate to drop into a sump for example, and AC systems in an attic can let the condensate drain to the outside, or even into interior plumbing drains where code permits that.

In a nutshell, shingles and flashing both are intended to help water follow gravity to the ground without having the water seep into the roof or other structure.

TAKE IT SLOW AND USE COMMON SENSE - AND THE HOME WILL ALWAYS (REPEAT ALWAYS) FALL WITH GRAVITY.

Its an historic 200 yr old brick house which is gravity spring fed.