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The Spanish AVE-system requires a screening of baggage (not person) and check-in before boarding the train (no controls onboard the train). 80.161.77.79 ( talk) 14:56, 5 December 2007 (UTC) reply

I added a section on the social networking aspect of checking in and I am not sure if this should have an article devoted to this subject. What do you think? Whoisjohngalt ( talk) 21:11, 30 September 2010 (UTC) reply

I think "Social check-ins" should be a separate dedicated article. Krige ( talk) 15:47, 16 January 2015 (UTC) reply