Friends don't let friends use carousels or pop ups on websites without good reason and use the following to brief any decision makers
Don't use pop ups
Tab closed didn't read - straight from the source
The Value of Content — Medium, Nov 29, 2013. - Coverage of it on the Medium site.
This Ad Man Has Gone To War Against Homepage Takeover Ads - Business Insider, Nov 27, 2013
Don't use a carousel
Should I use a carousel - straight from the source
Designing Effective Carousels - Nielsen Norman Group- one the big names in usability
'I want one because they look cool' is not an objective, aesthetics alone don't make a great website. If you don't use the carousel properly
Source:To carousel or not to carousel? - Smart Insights Digital, Oct 9, 2012.