If I'm hiring an engineer, a project manager, or a designer, I care about their ability to do the job, not about how much they influence their twitter followers.
- Any problem that they don't know how to solve can be solicited to x number of people. - If they encounter a bug in 3rd party software that your company uses and publicly bitch about it, the better chance you have to get a timely fix. - If your company uses/creates open source software, it is more visibile, and there is a greater likelihood that more people will contribute to it. - They market your company. - They attract more desirable hires.