sales talk 
noun [mass noun]
Persuasive talk to promote the sale of goods or the acceptance of an idea: confounded by the producer ‘s sales talk, how can one tell the difference between ’cheap and cheerful‘ and ’cheap and nasty'?...
- Terms like ‘return on investment’ and ‘bottom line’ are now commonplace in sales talk.
- Throughout the coming weeks, when the general election campaign is full flow, the margins between sales talk and real politics are expected to become blurred.
- So too often what looks like genuine information turns out to be sales talk.