Mailbox
E59619
Mailbox was a popular mobile email management app known for its innovative swipe-based interface and focus on inbox organization, later acquired by Dropbox.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Mailbox canonical | 2 |
| Mailbox for Android | 1 |
| Mailbox for iOS | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T478111 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mailbox Context triple: [Dropbox, acquired, Mailbox]
-
A.
Mail
Mail is Apple’s built-in email client application for macOS, used to send, receive, and manage email accounts.
-
B.
InMail
InMail is LinkedIn’s premium messaging tool that lets users directly contact other members they’re not connected with on the platform.
-
C.
Mailer
Mailer is a surname most notably associated with American novelist, journalist, and essayist Norman Mailer.
-
D.
Media Mail
Media Mail is a discounted U.S. Postal Service shipping option specifically for sending educational materials and media such as books, sound recordings, and DVDs.
-
E.
POP3
POP3 (Post Office Protocol version 3) is a standard email protocol used by clients to retrieve messages from a remote mail server over a TCP/IP network, typically downloading them for local storage.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Mailbox Target entity description: Mailbox was a popular mobile email management app known for its innovative swipe-based interface and focus on inbox organization, later acquired by Dropbox.
-
A.
Mail
Mail is Apple’s built-in email client application for macOS, used to send, receive, and manage email accounts.
-
B.
InMail
InMail is LinkedIn’s premium messaging tool that lets users directly contact other members they’re not connected with on the platform.
-
C.
Mailer
Mailer is a surname most notably associated with American novelist, journalist, and essayist Norman Mailer.
-
D.
Media Mail
Media Mail is a discounted U.S. Postal Service shipping option specifically for sending educational materials and media such as books, sound recordings, and DVDs.
-
E.
POP3
POP3 (Post Office Protocol version 3) is a standard email protocol used by clients to retrieve messages from a remote mail server over a TCP/IP network, typically downloading them for local storage.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
mobile email client
ⓘ
product ⓘ software application ⓘ |
| acquiredBy |
Dropbox
ⓘ
surface form:
Dropbox, Inc.
|
| acquisitionDate | 2013 ⓘ |
| businessModel | freeware ⓘ |
| companyHeadquartersDuringAcquisition |
San Francisco, California, United States of America
ⓘ
surface form:
San Francisco, California
|
| discontinuationAnnouncedBy |
Dropbox
ⓘ
surface form:
Dropbox, Inc.
|
| discontinuationAnnouncementDate | 2015 ⓘ |
| discontinuationDate | 2016 ⓘ |
| distribution |
App Store
ⓘ
surface form:
Apple App Store
Google Play Store ⓘ |
| feature |
archive email with a swipe
ⓘ
defer email to a later time ⓘ delete email with a swipe ⓘ lists for organizing messages ⓘ |
| genre | email management app ⓘ |
| hasDeveloper |
Dropbox
ⓘ
surface form:
Dropbox, Inc.
Orchestra, Inc. ⓘ |
| hasType | proprietary software ⓘ |
| industry |
email services
ⓘ
software ⓘ |
| initialReleaseDate | 2013 ⓘ |
| interfaceStyle | touch-based mobile UI ⓘ |
| license | proprietary ⓘ |
| notableFeature |
email snoozing
ⓘ
focus on inbox zero ⓘ swipe gestures for archiving and deleting emails ⓘ |
| notableFor |
influencing design of later mobile email clients
ⓘ
popularizing swipe-based email triage on mobile ⓘ |
| operatingSystem |
Android
ⓘ
iOS ⓘ |
| originalOwner | Orchestra, Inc. ⓘ |
| ownedBy |
Dropbox
ⓘ
surface form:
Dropbox, Inc.
|
| platform |
Android smartphones
ⓘ
Android tablets ⓘ iPad ⓘ iPhone ⓘ |
| primaryFunction |
managing email inboxes
ⓘ
organizing emails with gestures ⓘ |
| reasonForDiscontinuation | Dropbox product refocus ⓘ |
| status | discontinued ⓘ |
| supportsProtocol | IMAP ⓘ |
| supportsService |
Gmail
ⓘ
Yahoo Mail ⓘ iCloud ⓘ
surface form:
iCloud Mail
|
| targetUsers | mobile email users ⓘ |
| userInterface | swipe-based interface ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Mailbox Description of subject: Mailbox was a popular mobile email management app known for its innovative swipe-based interface and focus on inbox organization, later acquired by Dropbox.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mailbox for iOS
this entity surface form:
Mailbox for Android