Are you referring to the other emotions, i.e. sad, angry, etc? You have to hold the like button then they pop up. Plus make sure you're using the official Facebook inc app not Microsoft's.
I'm sure the 1GB ones will eventually as the OS improves, but as it goes the processors are the more important part. Your best bet is either "deal with it" or sell them on.
Re: Lumia 520, 720, 920, 1020, 1320 Owners
http://www.windowscentral.com/verizons-lumia-icon-could-still-get-windows-10-mobile-update
Read this, they say that the list is final. Just upgrade your phones than leave...
Re: All usb ports are not working!
Firstly I'd check with a usb hub if there is power via the little led on it... If no then you may as well just open the computer and have a look for the connections to usb.
Re: All usb ports are not working!
I would assume they've all burnt out. unless youve got a loose cable somewhere? have you uninstalled the drivers then restarted?
You can't install via latest build, you"\l have to go back to the first release of 10, update to latest official cumulative release, then re activate under them back to where you want to be...