I cannot answer the WikiLove question but I find myself both sending and receiving the new "thank" notifications. It's a very low-effort way to acknowledge individual edits, yet I find myself appreciating the ones I have received.
Kerry
-----Original Message----- From: wiki-research-l-bounces@lists.wikimedia.org [mailto:wiki-research-l-bounces@lists.wikimedia.org] On Behalf Of Sumana Harihareswara Sent: Friday, 26 July 2013 7:33 AM To: A mailinglist for the Analytics Team at WMF and everybody who has aninterest in Wikipedia and analytics.; Research into Wikimedia content and communities Subject: [Wiki-research-l] Request for statistics: effectiveness of WikiLove
A colleague asks for a pointer to measurements of the influence of WikiLove. Thanks.