Just an afterthought about, to my mind, the disadvantages of Skype etc. Before my children went overseas a typical family afternoon, or day would consist of tea and cake (of course), dinner later, probably a rousing good walk, then exchange of news, mulling over the politics of the day, much laughter and jokes, playing of games (card and board), telling and retelling anecdotes from the past, perhaps looking at photos or exchanging books, perhaps watching a film or a tv programme together, hugs and cuddles.
You can't do that on Skype! I do feel very sorry for grandparents who have to watch their children grow up as though they were watching a tv show although I'm sure the best is made of it. 