Social Enterprise

Photos: 7 best social media campaigns of 2015 so far, and 3 big mistakes

Airbnb's #treehousetuesdays

Airbnb's Instagram typically inspires travel lust. Playing on the whimsical and giving you a good reason to check back in on Tuesdays, they post pics of bookable treehouses under the hashtag #treehousetuedays.

By Erin Carson

Erin Carson is a Staff Reporter for CNET and a former Multimedia Editor for TechRepublic.