Panasonic announced at IFA 2010 that additional pairs of 3D glasses are now available in Small, Medium, and Large, addressing another concern I raised about 3D TVs and families watching them, good job! Even better news is that these new glasses can be charged through USB! Now that's handy.

http://ex-blog.panasonic.co.jp/exhibition/en/2010/09/ifa10_395.html