Groupons

3 clues
Some modern deals
Some modern discounts
Deals buyable via a tap on an app
Similar answers:
Aasponsor
Aboveground
Abovegroundpool
Actorsgroup
Adhocgroup
Afewgrouchymen
Agegroup
Aground
Agroupofpinkfleshed
Agroupthat
Aloedground
Aminogroup
Armygroups
Asagroup
Background
Backgroundcheck
Backgroundczech
Backgroundmusic
Backgroundnoise
Backgroundoffield