drop in the pond

a drop in the pond (plural drops in the pond)

1. (idiomatic) A very small or insignificant amount; something of little importance.

   Synonyms: drop in the bucket, drop in the ocean, drop in the sea; see also Thesaurus:trifle

   • 2014 June 24, Alexandra Sifferlin, “The Government’s Super Scary New Anti-Smoking Campaign”, in Time‎:

     Of course, considering tobacco is a $100 billion market, and the industry continues to spend billions every year, the campaign is a drop in the pond. But it certainly stands out.