“…Instagram [58] [43,47] Whatsapp [30,31] Telegram [34] LINE [54] Twitter [32,55] YouTube [44] More than one platform [33,56] Not specified (SNS in general) [29,35,37,39,40,45,46,48,[51][52][53]57] In addition, WhatsApp [30,31] and Twitter [32,55] alike attracted less attention from researchers for their usage in informal learning with each one possessing only two articles highlighting its features. Telegram [34], LINE [54] and YouTube [44] are the platforms with the least number of articles documenting their versatility in either formal or informal learning.…”