"#" symbol is used on Twitter to _________________________.

Which image formats is not valid for your profile photo, header photo, and background photo in Twitter?

Which actions may be taken on a campaign or advertiser upon violation of Twitter's policies, Rules and Terms of Service?

State whether the following statement is True or False: 'The public tweets posted before you select the account setting 'Protect my Tweets' will not be indexed in a public search engine.'

This question is based upon the figure shown belwo To search for the latest trends, which of the following symbols is used in the search box in Twitter?

What is the limit of the tweets per day?

How should you deal with Trolls?

How can you appear in a user's 'Who to follow' section?

What Twitter service offers promotion on a cost-per-follower basis?

What helps early stage prospecting on Twitter?

Which is an important element of a successful Twitter ad?