Although it's hard to imagine a time before we all had smartphones, perhaps we can help cast your mind back with a look at some of 2007's most popular films, songs, TV shows and news stories.
When the iPhone was announced, Beyoncé was in the middle of a ten-week run at the top of the Billboard charts with "Irreplaceable", from the album "B'Day".
Rihanna and Jay-Z
Rihanna and Jay Z proved that genius is 99 percent precipitation with their 2007 hit "Umbrella".
Leon Neal / AFP/Getty Images
For their seventh album, "In Rainbows", Radiohead adopted a novel strategy: you could pay as much or as little as you wanted for it.
Stringer / AFP/Getty Images
The soulful 2007 album "Back to Black" by the late Amy Winehouse was the highest debut for a British solo female singer on the Billboard chart -- until Joss Stone charted even higher just one week later.
Fresh off their record "Taking the Long Way", country band Dixie Chicks won Record of the Year, Album of the Year and Song of the Year at the Grammies in February 2007.
In 2006, "Crazy" by Gnarls Barkley had been the first song to go to No. 1 in the UK on the strength of digital downloads alone, and it returned to the charts in 2007 when the rules were changed.
MTV Video Music Awards Latin America 2006 - Show
2007 was the year that digital downloads became eligible for the UK singles charts even without a physical release. Big winners from that change included Nelly Furtado's "Man-eater", which returned to the charts and went gold thanks to downloads.
The new chart rules meant in theory any song available digitally could feasibly chart, given enough support. So British DJ Chris Evans mobilised his listeners behind "Honey to the Bee" by Billie Piper -- released in 1999 when she was a teen pop star, long before "Doctor Who" -- and the song duly surged to No. 17 on digital sales alone.
The world went mad for the "Mad Men" of Madison Avenue in AMC's sharp-dressed 1950s drama.
One of the greatest TV shows of all time, HBO's "The Sopranos", came to a much-debated end in 2007. Don't stop believin'...
Jim WatsonAFP/Getty Images
One step ahead of the explosion in digital communication heralded by the iPhone, US President George W Bush signed a law that allowed spies to eavesdrop on American citizens without a warrant. Of course, thanks to Edward Snowden we'd later learn that this was just the half of it.
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Barry Bonds home run record
In August 2007 Barry Bonds of the San Francisco Giants hit a record-breaking 756th home run. Sadly, he was indicted in a doping scandal just a couple of months later.
A terrorist attack on Scotland's Glasgow airport was foiled by locals, prompting this unforgettable headline.
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Astronaut love affair
An out-of-this-world love story led to a bizarre crime when NASA astronaut Lisa Nowak donned diapers worn during spaceflight so she could drive across the country to assault a love rival.
Leave Britney Alone
Following Britney Spears' performance at the 2007 MTV Video Music Awards in September, fan Chris Crocker posted a tearful video titled "Leave Britney Alone!" on YouTube. It became an early viral video hit.
Pat Greenhouse/The Boston Globe
Rogue Heroes play new video game Rock Band
We rocked out with our consoles out in 2007 when Rock Band took the stage. Hands up, who has a broken set of those drums in your spare room?
"Harry Potter and the Deathly Hallows"
On July 21, the seventh and final book in J.K. Rowling's wizardry series, "Harry Potter and the Deathly Hallows", sold 8.3 million copies in its first 24 hours on sale in the US.
Among the big games of 2007 were Halo 3, BioShock and Mass Effect, as well as the Orange Box containing Half-Life 2, Portal and Team Fortress 2.