In Internet culture, the 1% rule is a rule of thumb stating that only 1% of the users of a website actively create new content, while the other 99% of the participants only lurk.
Facebook founder Mark Zuckerberg first reached out to WhatsApp co-founder Jan Koum in 2012. The two reportedly met at a coffee shop in California. However, the acquisation deal started shaping up in 2014 when Koum went to Zuckerberg’s house in Palo Alto for dinner.
Sharks are able to detect as little as one part per million of blood in seawater
Sharks have keen olfactory senses, located in the short duct (which is not fused, unlike bony fish) between the anterior and posterior nasal openings, with some species able to detect as little as one part per million of blood in seawater.