The webcomic XKCD shows just how long it will take for anything embarrassing you do today to be forgotten by the country. Prepare yourself for 35 years of shame:
Update: John Tabin reminds me about the alternate-text that appears on the original when you hover your mouse over the comic:
'Baby Got Back' turned 20 this year. My favorite nostalgia show is VH1's 'I Love The Inexorable March of Time Toward the Grave That Awaits Us All.'