Max Nisen is a Bloomberg Gadfly columnist covering biotech, pharma and health care. He previously wrote about management and corporate strategy for Quartz and Business Insider.

Good morning! This is a preview of Fly Charts, Gadfly's forthcoming newsletter. You can sign up to receive it daily here. From bubbly cryptocurrencies to lonely digital assistants, here are four charts that help explain what you need to know in business today. 

Bubblecoin
Up 3 million percent since 2010, Bitcoin shows many of the classic attributes of a bubble in the making.
Source: Bloomberg
Shouting 'OK Google' Into the Void
Google is talking up its voice-activated assistant, but it's only available to those with one of the two most recent Android updates, a minority of Android device users.
Source: Google
Note: Figures based on the share of Android devices that visited the Google Play app store in the 7 days ended May 2.
Rx for Sales
Prescription drug sales keep brick-and-mortar drug stores in business, and Amazon may be coming for them.
Source: Bloomberg
Troncated
Tronc revenue looks likely to decline again this year, and buying the Sun-Times won’t do much to fix that.
Source: Bloomberg

And don't miss Tara Lachapelle on a possible toothpaste megadeal for Colgate: "There's no question that the biggest players in consumer  products are struggling to find growth opportunities and it's driving M&A in the space. Kraft Heinz Co., which is backed by 3G and Buffett's Berkshire Hathaway Inc., is already seeking its next megamerger after mac-and-cheese maker Kraft merged with ketchup king H.J. Heinz two years ago."

This column does not necessarily reflect the opinion of Bloomberg LP and its owners.

To contact the author of this story:
Max Nisen in New York at mnisen@bloomberg.net

To contact the editor responsible for this story:
Mark Gongloff at mgongloff1@bloomberg.net