Today's Twitter Picks

@GuideStarUSA
MT @twotrees: Don't ignore opportunities 2 share your #nonprofit impact. Lessons from approaching asteroid. #DonorEdge http://ow.ly/hDLsD

@Skipinder
Sending mass e-mails never ceases to be scary no matter how many times you've checked, tested and previewed.

@ThinDifference
Would your managers pass a social media exam? http://goo.gl/xEzwv via @leadershipindex