I like All About Lily Chou-Chou as well, where the chatroom interaction, with cuts to black over which individual characters are being typed and formed into coherent sentences helps to emphasise that effort being expended to chat with others, and the sense that the online forum chatter is taking place in a different kind of mental space to the real world action. The disconnect of the electronic device there seems to be the entire point, where people can form quite intense communal connections behind silly fake usernames rhapsodising over the music of their favourite singer whilst in real life they may be doing horrible, bullying damage to each other. Or where someone can contribute to discussions intellectually and emotionally whilst being powerless to have any effect on events in the real world. Is that retreating from the 'real world' or someone finding the only way they feel able to express themselves?
(EDIT: By far my favourite depiction of cyberspace and forums turns up in an episode of Ghost In The Shell: Stand Alone Complex series called
Chat! Chat! Chat!. It goes a bit off the rails at the end as the plot has to be shoehorned in but I loved that what could be a dry recap episode for events up to that point gets turned into an exploration of lots of different theories put forward in a roundtable discussion, and the idea of group dynamics in a cyberspace world is a fascinating one, such as the way people enter and leave a discussion for unknown reasons, or can pretend to be a different person, or have an online persona that they are trying to live up to. I liked that you also have the discussion taking place in a kind of public arena, strengthening the links between classical and modern definitions of 'forum'. And I love that you see the text messages building up as the conversation goes on, with the advert break being used by the moderator to 'dump' all of the messages out of the system to start with a blank slate!)
There does seem to be a push and pull between showing technology as an integral part of the world around us and linked in with all of our real world action (which at its worst results in Sandra Bullock living her life entirely through the internet and then being almost wiped out from it in The Net; or those terrible cyberspace movies like Hackers or Johnny Mnemonic which try much too hard to literalise online concepts as physical spaces), and portraying the online world as something separate and unique with its own rules and structures that do not quite perfectly correlate with, or neatly link up to, real world concepts. Sure the Wild West of the online world is getting more tamed over time as commercial companies become more savvy and ever larger numbers of individuals move online and start to conduct their business there (which is presumably why films cannot get away any more with slightly strange approaches to how websites, search engines or YouTube style video sharing sites work, as we have probably gotten to the point where almost everyone has had an experience with these kinds of sites and won't accept anything less than a convincing online interaction from the characters they see in films and television programmes who also get involved in those kinds of interactions) but there are still issues around which hegemony is going to win out in best portraying the online world to the widest possible audience.
There also seems to be an issue that I don't think has been properly understood yet (not even by myself, I think!) that is threatening to split the onscreen portrayal of gadgets into two extreme trends. This might just be because film or television dramatisations themseves naturally gravitate towards extremes in how anything is portrayed but I think there is the danger that technology use is polarising into either groups of 'important and/or devious people' solving/causing crimes whilst linked into giant government computer surveillance networks (the Jack Bauer use of technology to solve crimes, or force through interactions with every person, building security system or computer network he meets) that give them every possible access to every possible kind of computer system and gadget in the world; or the Hollyoaks kind of use of technology to show a couple of people bickering with each other over their love lives or sending LOLcats to each other. There has to be a better portrayal of the online world waiting to be shown that more positively portrays a balanced middle ground in which people are working together constructively (not for urgent national security, or flippantly contrived romantic comedy reasons, but just for the purposes of existing and interacting with one another) in an online space.
Text messaging just seems to be another front in that 'battle', and like any concept it can either be portrayed in a manner that is sensitive to how technology can change the nature, or structure, or dynamics of a scene (such as allowing action in multiple locations to take place simultaneously, or for someone to become aware of a piece of information that others in the room are not aware of; or to suddenly find out about an event almost as it is happening rather than having to wait for news to reach them in a more leisurely fashion, and so on) or add extra nuances to one (and more accurately reflect the way that people interact now). Or it can just be used to add a bit of flashy CGI pizzazz for no other reason than to spice up an otherwise boringly rote scene with a bit of 'modernisation'.
I do agree with domino's point on not worrying about the use of technology dating a film to a particular era of time. Some of the best films ever made (and even some of the worst: The Net now provides a unintended insight into a Windows 95-era of online computing for example!), not just those directly involving technology, are situated within the era in which they were made and provide their own interest as time capsules capturing a period even beyond a particular fictional story that they might be telling. I think a good example of this would be a film like Brian De Palma's Redacted, which for me was a great snapshot of a particular moment of a late 2000s era of online interaction, one just pre-the current online era of retreat into social media solipsistic introspection and/or need for everyone to have an individual media presence and awareness of 'brand management' (through sites such as Twitter, etc, well placed to allow users of both mobile and desktop technologies to interact through a single site. Although a couple of sequences are just anticipating the upcoming trend of online Skype conversations), instead showing an online world of overwhelming masses of information cascading at the audience from multiple sources and multiple viewpoints, mostly involving videos showing a battle of hegemonies between embedded journalism videos (with particular historical contexts and neutral tone), to emotive personal journalistic expose pieces, to the use of the online space by insurgent groups to disseminate videos of terrorist acts (including execution videos, which are back in the media spotlight at this moment in time). Where the flippant is jostling with the profound, which is jostling with the severely disturbing, all material thrown at the viewer without a wider guiding context to judge any of it by, just for the audience's own individual conscience to deal with.