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Unfortunately, I do believe many of Orwell's fears have come true especially within the U.S.A.
The Patriot Act has changed life for all Americans.

Check out the attached website for examples such as:
"Oceania (commonly called the US and Britain) is at war with (Afghanistan?) Iraq. Oceania has always been at war with (Afghanistan?) Iraq."

Well, how cynical are you? That's my way of saying, some are here, some aren't, and some are up for debate, depending on your interpretation of events.

The technology to observe citizens is certainly here. People are under more technological observation than any time previously. However, there is not yet the generalized state of persecution and paranoia Orwell describes, and, if we are lucky, there never will be.

There are events that have some of the qualities of the public hatings, though none are labeled as such. You can see traces of these in talk radio, in some highly politicized news shows, etc. However, to really see such, you'd need to see some of the anti-American demonstrations held abroad.

There is some perversion of the language in ways that disrupt rational thought, and there are attempts to rewrite history. However, these are not systematic, and flow from other sources than the government (as well as the government), such as text messaging and media sound bites (more Brave New World than 1984 here).

We have some qualities of the ongoing war--who are we fighting these days—and life just seems to roll on. However, there is more of an end in sight, and there is more criticism of the war than in 1984.