6-3-11
- Added social media buttons for Facebook, Twitter and Google +1.

4-29-11
- Make Wikipedia links more prominent.
- 17.7 million!

2-22-11
- 17.1 million!
- Changed "Try and find them" to "Try to find them" (Thanks Walter B.)

1-14-11
- I added play controls! You can now skip around in the movie by clicking the bar.
- Changed the preloader so that it plays as soon as possible instead of waiting until fully loaded.
- Increased the quality of the video a little so the file is now 4.57mb (instead of 4.34mb).
- Fixed one of the subliminal messages. I haven't had ads in over 3 years thanks to generous donations from viewers like you!
- Changed the Braveheart quotation to something new...look for it =)

1-6-11
- 16.4 million!!
- Fixed Moonshot (was from later mission; Thanks David G.), Roy Campanella (not a very good picture before, this one refers to his MVP season in 1953; Thanks Ron B., Bob G., and Earl F.), picture and year for Reagan (from his 1976 campaign; Thanks Bob B.), Bob Dylan (from 1961 show at Gerde's Folk City; thanks Tim S.), Davy Crockett (it was Daniel Boone AGAIN; thanks to Andrew K.) and updated a few other pictures.
- Improved legibility of lyrics toward end of song (Thanks Swati A.)

7-14-10
- 15 million

2-11-10
- 14 million

12-2-09
- 13 million! Happy holidays and keep spreading the joy =) 

10-19-08
- Fixed small error in lyrics at end of song (thanks to Willie C.)
- Harry Truman lyric referred to his inauguration (in 1949), not his winning the election (in 1948).

8-15-08
- Added stand-alone video download.
- Davy Crockett was actually Daniel Boone (thanks to Jessica H.)

3-1-08
- Added links to Wikipedia (which pop up in a new window)
- Minor size reduction (4.27mb)
- Fixed some image mistakes

12-23-07
- Fixed some small mistakes (thanks to Paula and Shotsimiller)

11-7-07
- Added subliminal messages to end of video. Note that the link on the main page is still there.

10-2-07
- Moved to yeli.us, a hopefully more permanent home. I was previously accounting for 70% of the load on the school server...oops!

10-1-07
- Reduced file size to 4.33mb at a minor cost to quality.
- No more ads!

9-28-07
Added a fullscreen button, but only if you have the latest Flash version (9.0.47)
	- Thanks to Timm S. for the suggestion
	- File size is now 5.11mb.

9-19-07
1. Greatly improved photo accuracy in terms of relevant time period
	- previously, many of the photos were of the right thing but the wrong context
2. A few pictures were just flat out wrong (Studebaker, terror on the airlines, North/South Korea)
	- Thanks to Jim I., John G., and Richard B. for their helpful suggestions on historical accuracy
3. Lyrics are easier to read in some places, fixed grammar mistakes
4. Lyrics are on by default, rather than off.
5. The filesize unfortunately increased from 3.21->5.09mb.

8-31-07
- We've had a HUGE surge of traffic lately, so thanks to everyone (especially TEACHERS!!) for continuing to spread the good word. Keeping telling your friends, family, coworkers and students =) about the site!!<br>

4-13-07
- We've moved homes! Please update your bookmarks accordingly.

9-21-06
- If you're experiencing problems, you may need to upgrade to Flash 9.