While Twitter has been around in some form since 2006, companies, communicators, journalists, and others with 140 characters on their minds began logging in to Twitter en masse in 2008 to “microblog” their thoughts and observations.
2 Hockey moms
We've had soccer moms and security moms. This election cycle, we had hockey moms, another nebulous characterization of a certain segment of “average” American moms brought to us by Alaska governor and lead hockey mom, Sarah Palin.
3 Prop 8
Short for Proposition 8, the amendment banning same-sex marriage went to the people of California on November 4. It continued to fuel nationwide debate for and against the issue, now reaching the Supreme Court after passing with 52% of the vote.
The Troubled Asset Relief Program (TARP) became every-one's biggest hope for managing – and ultimately stopping – the US economy's free fall. With at least $700 billion at its disposal, the organization is working to create liquidity and stability on Wall Street, but many unknowns remain.
5 Credit-default swap
According to Bloomberg, “credit-default swaps are financial instruments based on bonds and loans that are used to speculate on the ability of borrowers to repay debt.” In other words, they're one more bewildering investment tool that led to the current poor state of the economy.