The first one is about the difference between Data Science, Data Analysis, Big Data, Data Analytics, and Data Mining:
The source for this one is, according to a tweet, onthe.io. I could not find the article in question, though this website is very interesting, but anyway, I love the above picture, please share if you agree with it. If someone knows the link for the original article, please post in the comment section.
And now another nice picture about the history of big data and data science:
Here I have the reference for the picture: click here.