It's more that they've got a whole grab bag of pending technologies that may or may not allow them to replicate the kind of success they've had with their searc

It's more that they've got a whole grab bag of pending technologies that may or may not allow them to replicate the kind of success they've had with their search engine. It keeps potential disruptees twitchy because they're all cognizant that they could be the next Blockbuster if they don't respond aggressively.