GMail advertising has been around for some time, but it isn't a channel that has been super heavily leveraged in apartment marketing.  That said, apartment marketers are starting to rediscover GMail as an option, and give it a fair test.  Today, Jenny and Megan decided to come heavy with FOUR metrics, all centered on GMail ads. 1) Email Open Rate, 2) Clicks to Site, 3) GMail Saves, 4) GMail Forwards.  Get learned up on GMail metrics, and the benchmarks you should be aiming for.