If you missed this deal the last time we saw it (as many of you did), not only is it back, but it's now slightly better. Over at the popular daily deals site Woot you can pick up the Rachio smart sprinkler controller in both the 8 and 16 zone varieties for just $144.99 and $174.99, respectively. It turns out that, in addition to flying electric cars, the future also includes well-manicured lawns. 

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