According to this, consumer drones today cost $300-$500 per pound. Parrot: $581.39/lb; 3DR: $265/lb; DJI: $448.76/lbpic.twitter.com/Tj9drpYTDd
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
@obra also it suggests to me that the engineering hasn't been fully shaken out. You see this correlating e.g. in bicycles today (matured)
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.