You know how I know that we’re reaching the limits of email innovation? Because Gmail is now devoting much of its time to embarrassment prevention in Gmail Labs. The latest is another small, but useful feature that they’re humorously calling: Got the Wrong Bob? As the name implies, when you turn this feature on in Labs, Gmail will scan an email’s recipients to see if you are accidentally sending a message to someone you don’t want to be sending it to.

You may have seen a young man named Michael Arrington bemoaning the current state of touch technology on these very pages. While I tend to agree on the aggregate, I saw HP’s new touch line last week and came away impressed, at least in the quality of the interface HP built around the TouchSmart 300 and 600, 20 and 23-inch all-in-ones with touchscreens. Sony also dumped out some touchscreen Vaios in an event so-over-the-top that Mischa Barton was there (seriously!). OEMs are going…