While 'Cell' resembles King's 'The Stand' in terms of apocalyptic events that bring together an unusual assortment of survivors attempting to cope with said devastating events, it offers a bleaker look at what might become of society. And whereas 'The Stand' seemed to build up to the apocalyptic event, this time you are thrown face-first into the gore and horror that can only come from King's macabre imagination.
After the initial blood-fest, more backstory starts to fill in, the creepiness then begins to wind it's way throughout the story. And don't look for a perfect happy ending either. It might be abrupt, but then our electronic world is still evolving. So we might just be writing the ending ourselves.