According to findings from a poll conducted among 1,032 Americans by Reuters and research firm Ipsos, 35% of Facebook users said they are less engaged on the social network than they have been in the recent past. Only 20% of members are spending more time on the site.
Is this a trend or an outlier data point? Too early to tell but something to keep an eye on. (Facebook Engagement Dips: 34% Spend Less Time on Site)