I'd estimate no more than 20 people tweeted along with the schedule.

WSJ: Tweet Any Good Books Lately?

Vitamin D researchers estimate that up to half of Americans might be getting inadequate amounts, especially in the winter months when the sun is low.

FORBES: Magazine Article

D.s to create algorithms to estimate demand and pricing to make the service efficient.

WSJ: The Weekend Interview with Travis Kalanick: The Transportation Trustbuster

Do you want to make an estimate, or you'd rather not?

CNN: Transcripts from video deposition of Lewinsky, Jordan, and Blumenthal

Those who might be swayed by the CBO estimate include Rep. John Boccieri (D-OH), a so-called Blue Dog Democrat with more conservative leanings than the party mainstream.

NPR: With Health Bill Unveiled, House Digs For Votes

Until the 1980s radiation oncologists could only crudely estimate where to aim based on the position of nearby bones in 2-D X rays.

FORBES: On The Cover/Top Stories