Additional features available only on GZ-GX1 include Headphone Output, Microphone Input, Accessory Shoe, Remote Control, as well as the ability to attach conversion lenses and filters.
Nor do they have another feature that makes IRA to Roth IRA conversions easier to stomach: the ability to undo the conversion in the following calendar year if you change your mind (say your stocks take a big hit).
The Department of City Planning report even cites conversion to hotels and condos as one of the drags on the ability of Midtown East to compete with the likes of Shanghai and Hong Kong.
Randomizing who receives the message does not determine an influencers ability to change behavior (which is why they had a low conversion rate), it may only show how susceptible the recipient is to a message from a random person (e.g. like traditional advertising).