Related Clues:
- Dell operator
- Druggie into Jailhouse Rock
- Ones logging in
- Beta tester, typically
- Manual's audience
- Manual reader, often
- App customer
- One admitted to rehab
- Tech customer
- Candidate for rehab, perhaps
- Person on a PC
- __-friendly apps
- Word before ID or fee
- Software license reader, supposedly
- Person at the computer