cover -- Guest editorial -- When perceived ability to influence plays a role: brand co-creation in Web 2.0 -- Taking a bite out of Apple: Jailbreaking and the confluence of brand loyalty, consumer resistance and the co-creation of value -- Like is a verb: exploring tie strength and casual brand use effects on brand attitudes and consumer online goal achievement -- Online brand communities as heterogeneous gatherings: a netnographic exploration of Apple users -- The moderating effect of personal features on the consequences of an enjoyable co-creation experience -- Are you able to recall the brand? The impact of brand prominence, game involvement and persuasion knowledge in online - advergames -- Self-presentation, privacy and electronic word-of-mouth in social media -- Corrigendum.