if you run the above program you get warning:
[WARNING] MultiJson is using the default adapter (ok_json). We recommend
loading a different JSON library to improve performance.
=> #<Watir::Browser:0x7f0eb1bcae00 url=“about:blank” title="">
why and how can I fix it, I would also like to know how can I suppress
it? many other pages suggests using -W, but I am unable to do it.