why? because I want to hear what they have to say, and by "engage" I don't mean to reply/contact them, but simply consumer their content with the occasional ping:
i. News, I want to stay up to date: I like to follow Reuters, Associated Press, Financial Times, Pando, Recode
ii. General interest: The Economist, National Geographic, Science Magazine, various Universities
iii. Companies I use their products/services or find interesting and what to get their updates: IBM, Dropbox, Disney, TED, Formula 1 teams, Raspberry Pi, a bunch of airlines, hotel chains, etc
i. News, I want to stay up to date: I like to follow Reuters, Associated Press, Financial Times, Pando, Recode ii. General interest: The Economist, National Geographic, Science Magazine, various Universities iii. Companies I use their products/services or find interesting and what to get their updates: IBM, Dropbox, Disney, TED, Formula 1 teams, Raspberry Pi, a bunch of airlines, hotel chains, etc