At long last Apple has finally been awarded a patent on multi-touch technology. The repercussions of this really can't be known at the moment, but this very well may change the nature of battles between smart phones and tablets.
Who knows what the future holds, but it's going to get interesting as Apple decides exactly how they are going to sell a technology their competitors are already using. The world of patent law may see some controversy in the near future. Here's some more information for those who are interested.