Who's your target audience & what channel gives you the best results?

I'm learning more every day about our targetted audience and testing lots of engagement strategies to find out what works best. In the aid of learning, I'd be really interested to learn what audiences people are targeting & what channel is giving you the best results. Maybe we can all learn from each other.

I'll start.

Target: Developers
Channel: Twitter
Strategy: Brand awareness using T-shirt & sticker give aways

Over to you!