"started advertising" is correct and usable in written English.
For example, "The company started advertising its new product last week."
He also started advertising the space in Variety last week.
That's why I started advertising in India Abroad".
It started advertising in lifestyle magazines using more human-looking athletes rather than freakish Schwarzenegger physiques.
He's started advertising one-on-one homework help for children at $50 an hour.
It has only recently and cautiously started advertising in the mobile arena.
He has started advertising on television in Iowa seven months before the caucus.
Mr. Forrester said he had started advertising so early because he lacked name recognition.
So I started advertising in Exchange and Mart until I got the rest of it.
They started advertising throughout the Town of Huntington and within two months had 250 customers.
Methanex recently started advertising jobs in a methanol plant it has dismantled and shipped from Chile to Louisiana.
Theodore Grossman, a lawyer for Macy's, countered that once Penney's started advertising and promoting the products, there would be harm.
