We keep getting more patents issued, and if you read a lot of those patents, they're really improvements on prior patents, prior designs.
And not all changes are really improvements, so before you build that deck or put in that black marble bathroom, read on for our list of ten mistakes to avoid in home renovations.
"Our engineers evolve the algorithm, and humans help us see if a suggested change is really an improvement," Mr. Huffman said.
"But to test whether this approach is really an improvement, we need a big consortium with multiple components to connect together.
The trick, he said, is either to learn to live with known inaccuracies or to be sure that any new number is really an improvement.
They might express skepticism about whether the new software version will work or whether digital journalism is really an improvement, but down deep they are worried that their skills will be obsolete.
Simplication is really about improvement.
"Through those investments, there is really an improvement of the living conditions of the family," said Mr. Périès.
There is really not much improvement in the economy".
"What we're seeing is really a gradual improvement in the overall economy," said Anthony Chan, chief economist for Chase Private Client in New York.
