Every time I go on a trip I carry my laptop with me, good for reading ebooks and surfing the web. Sorry, no place for another gadget besides my cellphone. And

Every time I go on a trip I carry my laptop with me, good for reading ebooks and surfing the web. Sorry, no place for another gadget besides my cellphone. And no, my eyes don't suffer after using my laptop for more than 10 hours non-stop, been doing that for the last 20 years.