Big Red has been having a difficult time taming the "world's largest 4G network" over the last several weeks, as we've seem more than enough outages occur. Today marks the next installation of Verizon's 'sorry, LTE is down' saga, with users across the nation left without any mobile data connection whatsoever (myself included).
Update: According to Verizon, service has been fully restored.
After a brief issue this morning, 4G LTE service is fully restored.
— Verizon Wireless (@VZWnews) February 22, 2012
It's worth noting that these types of outages don't generally affect 3G-only devices, as they handle 3G network connections differently than LTE device do.