Foreign currency shifts, ads before "I Have a Dream," and broken new year's resolutions.
But will users be happy when Pinterest takes a turn toward online mall?
Why almost half of people with gym memberships are no-shows.
Temporary tax increases expire, reducing Illinois revenue amid budget shortfalls.
It's the 19th state to adopt the euro.
Plus: the "Internet of things" at CES and a look ahead at 2015's big tech stories.
Raise to $10.10 per hour was promised in last year's State of the Union.
Funding cuts, new mandates, tax breaks to complicate tax time, IRS commissioner says.
Investors are twice bitten, thrice shy.
Interest rates for 2015, Uber's big night, and AirTran gets grounded.
