Ergocalciferol is vitamin D2. Vitamin D is important for the absorption of calcium from the stomach and for the functioning of calcium in the body. Ergocalciferol is used to treat hypoparathyroidism (decreased functioning of the parathyroid glands).
LOT - Limit of Technology [Internet]; August 7, 2016 [cited 2016 AUG 7]. Available from: https://www.allacronyms.com/LOT/Limit_of_Technology.
Lens is an example of being less device-centric, on mobile. The technology behind Lens is essentially nothing new, and that also tells us something about where Google is going. This is not to say that Google is done coming up with new technologies, but that there are a lot of capabilities the company is still putting together into useful products.