Reason #1574 why I'm going to skip CES in-person this year:

As of Jan. 1, one of the most common types of rechargeable batteries used in gadgets ranging from laptops to cell phones will be subject to new restrictions on American flights. New rules from the US Department of Transportation will limit the size and number of lithium batteries allowed, as well as laying out other stipulations for safely traveling with them.

Lithium Batteries Face Travel Restrictions - Lifestyle News - Digital Trends