Bump
Then: To encounter something that is an obstacle or hindrance.
Now: To move an online post or thread to the top of the reverse chronological list by adding a new comment or post to the thread.
Block
Then: To be placed in front of something, such as a road or path, so that people or things cannot pass through.
Now: To prevent someone from contacting you on a social network like Twitter, or from viewing your profile.
Canoe
Then: A long, narrow boat that is pointed at both ends and moved by a paddle with one blade.
Now: A Twitter conversation that has picked up too many usernames for an actual conversation to take place.
Catfish
Then: A freshwater or marine fish with whisker-like barbs around the mouth, typically bottom-dwelling.
Now: A person who sets up a false personal profile on a social networking site for fraudulent or deceptive purposes.
Cloud
Then: A visible mass of particles of condensed vapour (as water or ice) suspended in the atmosphere of a planet (such as the Earth) or moon.
Now: Any of several parts of the internet that allow online processing and storage of documents and data as well as electronic access to software and other resources.
Fire hose
Then: A large-diameter hose used in extinguishing fires.
Now: A very large stream of data.
Footprint
Then: A track or mark left by a foot or shoe.
Now: A unique set of characteristics, actions, etc, that leave a trace and serve as a means of identification.
Friend
Then: A person attached to another by affection or esteem.
Now: To add a person to one's list of contacts on a social-networking website.
Follow
Then: To go or come after or behind someone or something; to pursue in an effort to overtake.
Now: To subscribe to someone's updates on social media.
Handle
Then: A part of something that is designed to be held by your hand.
Now: Your screen name; the name you go by on the internet.
Like
Then: To be suitable or agreeable to.
Now: To indicate one's enjoyment of, agreement with, or interest in website content, especially in social media.
Meme
Then: An idea, behaviour, style, or usage that spreads from person to person within a culture.
Now: A cultural item in the form of an image, video, phrase, etc, that is spread via the internet and often altered in a creative or humorous way.
Ping
Then: A sharp sound, like that of a striking bullet.
Now: To make contact with someone by sending a brief electronic message, as a text message.
Profile
Then: A representation of something in outline; a concise biographical sketch.
Now: The personal details, images, user statistics, social-media timeline, etc, that an individual creates and associates with a username or online account.
Sandbox
Then: A low box filled with sand that children can play in.
Now: An environment in which software developers or editors can create and test new content, separate from other content in the project.
Swipe
Then: A criticism or insult that is directed toward a particular person or group; a swinging movement of a person's hand, an animal's paw, etc.
Now: To move the fingers across a touchscreen.
Tablet
Then: A flat piece of stone, clay, or wood that has writing on it.
Now: A general-purpose computer contained in a touchscreen panel.
Tag
Then: To supply with an identifying marker or price; to attach as an addition.
Now: To link to someone else's profile in a social media post, commonly a photo or status update.
Text
Then: A book or other piece of writing; especially one that is studied.
Now: To send a text message.
Timeline
Then: A table listing important events for successive years within a particular historical period.
Now: A collection of online posts or updates associated with a specific social-media account, in reverse chronological order.
Troll
Then: A dwarf or giant in Scandinavian folklore inhabiting caves or hills.
Now: A person who sows discord on the internet by starting arguments or upsetting people.
Tweet
Then: A chirping note.
Now: A very short message posted on the Twitter website.
Unplug
Then: To disconnect something, such as a lamp or television from an electrical source or another device by removing its plug.
Now: To refrain from using digital or electronic devices for a period of time.
Viral
Then: Of, relating to, or caused by a virus.
Now: Becoming very popular by circulating quickly from person to person, especially through the internet.
- Canvas, Washington Post