I reverted my twitter to serve as my place to keep in touch with other vloggers and possible fans? (lol 58 subs, fans?! WHAT FANS?!). When I post on Youtube it also posts to twitter, I used to post here as well, but apparently while I was gone new rules popped up and I don't really post a lot so I get no privies to post here.
Wants more subscribers? Goto other upstart vlogger channels, goto their discussion page, look for people who say "Hey man, I subbed you back" or some variant, and go sub those people and leave a small comment about subbing to them. You usually get a 1 for 1 on that.
Want more publicity? Comment on other videos, comment on every video in your subscriptions, constantly. The more information or noticeable the post, the more likely someone is going to check out your channel to see what else you have to say, boom, more viewers. ALSO, if you get in good with five or six other vloggers, they'll likely share your videos on THEIR twitter/facebook/instagram and bring in more viewers based off their own subs.
Most importantly, just keep on keeping on. I made a bunch of friends before my patrol, and when I left most of them had 20-50 viewers, I come back a few months later, and those guys are all around 500-1000 subscribers now.