Obviously, I don't have all the information to make an informed opinion. Also, IANAL. No cash to pay salaries might be indicative that its time to shutdown or at least seriously contemplate doing so.
I can attest to this. I've done this several times for the energy boost. I didn't know there is a name for it; "coffee nap". I tend to add dance/techno music to know when to wake up and get back to work.
Back in early 2011 I ran a BTC miner for awhile on a spare system and generated around 18 BTC. I bartered them later in 2011 for a pair of movie tickets to take my wife out to see Moneyball (ironically).
The end users of MailChimp require double opt-in before being signed up for receiving news letters, email, whatever, etc. Your use of "Automated cold e-mails" in the headline sounds oddly similar of spam to me.
This post has some special meaning to me. I work as a developer at a cancer hospital. The work I do directly helps clinical trials. I handle everything from trial conception to actual patient accruals and the resulting deluge of data.
Every little bit of tech I get to use which has a net positive affect on my efficiency reduces the time of my deliverables/milestones. My team and I develop the tools/software/data which the doctors/nurses/practitioners rely on to provide care, solve interesting medical puzzles, etc. It is a race against the clock. I get the privilege of writing code that has the potential to help cure cancer.
I switched from TextMate to Sublime Text 2 recently. I've been monitoring Light Table and ST3 as of late. Keep up the good work.
I wish the ladder and replays were available publicly, I have a few friends that are interested but are put off from the signup form. I think if I could send them a link to a replay without signing in, they would get a kick out of it and potentially join in on the fun.