How does a lush worker get proficient with the blade?
Many constructors can get proficient at a few of the five main crossword arenas (early week, midweek, out-of-the-box Thursdays, themeless, and Sunday-size), some can become an expert at one, but very few can become top-notch in all five.
As you may recall, the original idea behind Duolingo was twofold and similar to von Ahn's last startup, reCAPTCHA: Duolingo would teach users how to speak and write a language, and, in return, users would translate online texts into other languages once they got proficient enough to do so (and Duolingo would be able to charge for these translations).
"We tried him at third base, and he worked until his fingers were bleeding trying to get proficient down there.
If grandparents want to have full access to their grandkids, they have to get proficient with the technology their grandchildren are using.
You need to get proficient at this because, candidly, if you're not, you'll spend an inordinate amount of money replacing things like dolls (shoulder connections, usually), book covers (clear packing tape works best), zippers on backpacks (try some bar soap on the teeth) or ceramic tea sets from grandma (a dumb gift, no matter how you look at it).
Fly with an instructor to get proficient with slips.
Consider wearing a seat belt until you get proficient at navigating slopes and bumps without losing your balance.
"People are getting more proficient because they have to, not because they want to," said Steve Cousins, manager of the Advanced Systems Development Laboratory at the Palo Alto Research Center, known as PARC, a subsidiary of Xerox.
I am getting more proficient at targeting sponsored material and am seeing a higher level of engagement.
