Posted by R. Ticle on
URL: https://www.es-forum.com/Things-to-watch-out-for-tp1548411p1548412.html

Eh? I can't say I've heard of either. Care to elaborate?

Thanks!

R.

--- In [hidden email], paulpjc@... wrote:
>
> 2 things - the use of LED bulbs as an alternative to wifi - good
> and the emerging use of ultra/hypersonic sound waves in TVs and mobile
> devices ! bad
>
>
> [Non-text portions of this message have been removed]
>