Legacy verification
The original public-interest verification program and its legacy blue badges were wound down after Musk's takeover.
The Musk product graveyard
X Circle
The limited-audience posting feature stopped accepting new Circle posts and member additions in October 2023.
Revue
Twitter's acquired newsletter platform shut down and published content became inaccessible.
Promoted Accounts
The advertising product for buying follower growth was retired in 2023.
Free Twitter API access
Broadly available free API access ended as developers were moved to paid tiers.
Third-party client access
A policy change barred independent clients, ending access for many familiar apps.
Ad-free Articles
Twitter Blue's publisher-reader benefit was discontinued during the Blue overhaul.
SMS 2FA for non-subscribers
SMS two-factor authentication was restricted to paid subscribers; authenticator apps remained.
Twitter Moments creation
The curated-story format was removed shortly after the acquisition.
CoTweets
Twitter's experiment for shared, co-authored posts ended before broad rollout.
Fleets
Twitter's disappearing-post format shut down after it failed to deliver the hoped-for engagement.
Periscope
Twitter retired its standalone live-video apps; some live-video capability continued inside Twitter.
Vine
Twitter's six-second-video social network was discontinued and transitioned to a camera app.
Twitter #music
Twitter's standalone music-discovery app was withdrawn from app stores.
Twitter Dashboard
The small-business app for scheduling tweets and monitoring conversations was shut down.
Digits
Twitter's phone-number identity service was retired as Fabric was sold to Google.
Fabric
Twitter's mobile developer toolkit was sold to Google and absorbed into Firebase.
Twitter Kit
The mobile SDK family was retired as Twitter consolidated developer tooling.
MoPub
Twitter's mobile advertising exchange was sold to AppLovin after more than a decade.
Twitter Camera
Twitter's standalone photo-and-video camera experiment was removed from app stores.
Twitter for Mac
The native desktop client was discontinued before a later, separate Mac app appeared.
Legacy Twitter web client
The older desktop web interface was switched off after the newer site became the default.
NFT profile pictures
The hexagonal NFT-avatar verification feature disappeared during the post-acquisition product changes.
Profile pronouns
The optional pronoun field in profiles was removed during the platform's legacy-feature cleanup.
Twitter brand and bird
The Twitter name, blue bird, and tweet terminology were replaced by X branding.
Original Tesla Roadster
Tesla's first production car, a Lotus-based battery-electric sports car, ended after roughly 2,450 cars.
Roadster Sport
The performance version of Tesla's first Roadster ended with the original Roadster production run.
Tesla Model S
Tesla's flagship sedan was retired from new production in 2026 after fourteen years.
Tesla Model X
Tesla's falcon-wing-door SUV was retired from new production in 2026 after eleven years.
Model S 40 kWh
The entry-level Model S battery configuration was removed before deliveries began in volume.
Model S 60 kWh
Tesla's original 60 kWh Model S configuration was replaced as its battery lineup evolved.
Battery-swap pilot
Tesla demonstrated rapid pack swapping and ended its limited pilot after sparse uptake.
Tesla 7-day return policy
Tesla ended its seven-day, 1,000-mile vehicle return window in 2019.
SolarCity brand
Tesla acquired SolarCity, then retired its consumer-facing brand under Tesla Energy.
Powerwall 1
Tesla's first home battery was superseded by Powerwall 2.
Original referral program
Tesla's early referral system, with prizes and Supercharging miles, was ended before a later referral program returned.
Unlimited referral Supercharging
The lifetime unlimited-Supercharging referral reward was replaced with limited charging credits.
Falcon 1
SpaceX's first orbital rocket made five launches; the program ended as the company focused on Falcon 9.
Falcon 9 v1.0
The first Falcon 9 configuration retired after five missions and was replaced by v1.1.
Falcon 9 v1.1
This generation was retired as Full Thrust became the operational vehicle.
Falcon 9 Block 3
The Block 3 revision of Falcon 9 was superseded by later Full Thrust versions.
Falcon 9 Block 4
The final pre-Block-5 Falcon 9 iteration was retired as the reusable Block 5 fleet took over.
Grasshopper
A vertical-takeoff-and-landing test vehicle that completed the early reusable-rocket campaign.
Starhopper
The low-altitude Starship test article finished its flight campaign and became a ground test stand.
Dragon 1
The first-generation Dragon cargo capsule retired after its final CRS mission; Cargo Dragon 2 succeeded it.
Red Dragon
The proposed Mars lander using a modified Dragon capsule was cancelled in favor of Starship development.
Interplanetary Transport System
The original large Mars-transport architecture was replaced by the BFR / Starship design.
BFR / BFS name
The BFR / BFS label was retired when SpaceX consolidated the architecture under Starship and Super Heavy.
dearMoon
The privately funded circumlunar Starship mission was cancelled by its organizer in 2024.
Dugout Loop
The proposed tunnel link to Dodger Stadium was dropped after an environmental lawsuit settlement.
Westside tunnel plan
The planned Los Angeles test-tunnel extension was cancelled after local opposition and litigation.
Chicago Express Loop
The proposed high-speed O'Hare-to-downtown Chicago tunnel did not advance into construction and was later abandoned.
X.com online bank
Musk's online financial startup merged with Confinity; the combined company later adopted the PayPal name.
Historical lineage; not a later Musk-era shutdown.PayPal Here
PayPal's mobile card-reader product was retired and users were directed to alternatives.
Historical lineage; Musk left PayPal in 2000.Grok-1 flagship
xAI's first public Grok model was superseded by newer generations; its weights were released openly.
Superseded, not erased; open weights remain available.Grok-1.5 Vision preview
The vision-capable preview was an interim model generation, replaced by the later Grok family.
Superseded model generation, not a claim that its research was withdrawn.Grok-2
The second flagship Grok generation was superseded by Grok 3 and later releases.
Superseded model generation; not a claim that all access ended.Grok-2 mini
The smaller Grok-2 companion model was superseded by newer xAI model families.
Superseded model generation; not a claim that all access ended.