I spent quite a while reading this website last night and found it really illuminating.
Im sure ive seen it linked in threads on here before but ive not taken much notice. She is also the author of a book called Mr Unavailable and the Fall Back Girl.
Its made me start looking at things in a slightly different light. Going by the comments underneath many people have experienced what Natalie Lue writes about.
www.baggagereclaim.co.uk/why-you-should-be-wary-of-any-man-that-is-reliant-on-text-messaging-email-and-instant-messenger/