If collecting digital assurances that people enjoy your online company isn't validating enough for you, you're in luck.
Researchers at the MIT Media Lab have created a vest that hugs you every time a friend "likes" one of your Facebook posts. The Like-A-Hug vest is linked to your Facebook account and automatically inflates inward when you receive a "like."
The vest allows you to reciprocate, of course: to return the favor, just squeeze it with your arms until it deflates. Link