That doesn't have to be true. I forgot to invite the guy who sits left of me at work to my 40th birthday, because he does not have Facebook. I coordinated the w

That doesn't have to be true. I forgot to invite the guy who sits left of me at work to my 40th birthday, because he does not have Facebook. I coordinated the whole thing on Facebook because "everyone has Facebook". And it didn't cross my mind that someone didn't. I talk to him a couple of times a day about non-work related things, it just never came up for some reason.