With my health on the mend, I posted some travelogue articles via hotel WiFi and made a couple of phone calls that came through with impressive clarity on the Droid II Global phone that Verizon lent me for the trip.
You will see hundreds of these icons offering RSS, or Really Simple Syndication, which is a way to get information sent to you, such as articles, classified ads (say from Craigslist.com), hotel schedules or even audio files (or podcasts).