The Website was designed in-house with you in mind, not some corporate bigwig.
Fiona makes contact with an oil company bigwig and uses the knowledge of her extra-marital affair to blackmail her for information.
If you're meeting with a bigwig client, the president of your company (or any company) or anyone whose company might make you even consider dressing up a bit more than usual, then you're right - you should dress up.
You don't have to be a celebrity, royalty, or a political bigwig to visit San Francisco, the City hosts events and welcomes tourists of all persuasions, nationalities, and various levels of ignobility.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.