Update on this: I can now firmly say that this is a retweet scam.
See:
https://twitter.com/MarissaTanyat
Who also tweeted the following:
#GetInShape with my online #training https://twitter.com/Obi_Obadike/status/443220721888546816
Snowden Haarp.... (which connects it to the same botnet) https://twitter.com/MarissaTanyat/status/443534242820001792
So officially, they're only spammers, not spooks.
PS: Did I mention that I still despise spammers?