Yoav Goldberg's book on "Neural Network Methods in Natural Language Processing" (https://www.amazon.com/Language-Processing-Synthesis-Lectures-Technologies/dp/1627052984) is nice too (see also an older free version here https://arxiv.org/abs/1510.00726)
It says how long ago something was said, so you can tell last month
from 2014 without doing the arithmetic. Full and green is recent; it
drains and cools as the date gets older, and empties completely at about
6 years.
6d5 days ago
8mo8 months ago
2yr2 years ago
4yr4 years ago
9yr9 years ago
A striped bar means the date itself is an estimate — the source did
not carry an exact one. An entry with no date at all gets no bar.