Literally the worst developers I've ever known are the sort that would eat this kind of thing up.
The worst developers in my opinion are those that appear highly proficient and effective until they're asked to actually produce something, then never produce anything of value whatsoever. They're infinitely worse than those who are clearly ineffective from the beginning. They're talented but immature; unwilling to do anything they don't see as a game; unable to see everyday tasks as games.
That depends on what you want to do with your life. If you want to build and sell startups, start building and selling them. You don't have to be a great developer to do that.
If you want to become the best developer you can be, then here's my advice:
Learn about the process of building software. Diligently practice various development systems (agile, scrum, kanban, etc.). Build a reliable, disciplined behaviour into your personal development process, so no matter what the task, you know exactly how to best take an idea through to completion efficiently and with as few headaches as possible.
After that: learn about architecture, algorithms, and hardware.
Being consistently loud and annoying are indications that this person doesn't adapt well to his surroundings, especially if everyone around him seems displeased. It may be a sign of poor overall judgement.
It may also be that this person was nervous when you interviewed him, and didn't have the forethought to say "I get loud and annoying when I'm really nervous, it will pass."
My advice: test him out. If he is truly great, and you really need a truly great developer, and the annoying bits don't go away: isolate him from your team, manage him closely, and keep him happy.
Say you're signed in to BrowserID already ... is there anything that would stop an attacker from being able to log you into some other BrowserID website without your knowledge or consent? With login reduced to two mouse clicks, it seems like a well-crafted webpage could log you in wherever it wanted. If that were the case, a CSRF-vulnerable BrowserID webpage could easily be exploited at a large scale.
The "explore" interface is really slick, but I can't link to or bookmark a search filter to share with anyone. It'd be easier to spread the word if I could pre-filter strains based on someone's particular needs/personality, and link them directly to that.
Also, since this is a startup, how do you plan to make a business out of this site?
Bookmark & browser history on the explore page is in the works.
Eventually we would like to have dispensaries manage their menus with us. Visitors could see if their favorite strain is available in their area, and dispensaries could notify users of specials via site/email/sms.