| Internet calling service | 24 |
| Internet chat option | 20 |
| Internet chuckle | 16 |
| Internet clutter | 16 |
| Internet code | 13 |
| Internet commenter's initialism | 35 |
| Internet commerce | 17 |
| Internet communication aid | 26 |
| Internet communication service | 30 |
| Internet communication sites (abbr.) | 36 |
| Internet communications company | 31 |
| Internet company | 16 |
| Internet company that acquired Skype | 36 |
| Internet company with a 2009 IPO | 32 |
| Internet components, per Senator Ted Stevens | 44 |
| Internet computer | 17 |
| Internet computers | 18 |
| Internet connection | 19 |
| Internet connection at a restaurant or airport | 46 |
| Internet connection faster than dial-up | 39 |
| Internet connection inits. | 26 |
| Internet connection providers | 29 |
| Internet connection that postdated dial-up | 42 |
| Internet connection via landline | 32 |
| Internet connection, initially | 30 |
| Internet connectivity frustrations | 34 |
| Internet connectivity problem | 29 |
| Internet connector | 18 |
| Internet correspondence | 23 |
| Internet designation | 20 |
| Internet destination | 20 |
| Internet destinations | 21 |
| Internet devices | 16 |
| Internet diaries | 16 |
| Internet diary | 14 |
| Internet discussion area | 24 |
| Internet discussion site | 24 |
| Internet entrepreneur | 21 |
| Internet equipment powerhouse | 29 |
| Internet expert Lawrence Lessig's subject | 45 |
| Internet explorer | 17 |
| Internet Explorer alternative | 29 |
| Internet Explorer opponent | 26 |
| Internet Explorer or Microsoft Word, say | 40 |
| Internet Explorer, e.g. | 23 |
| Internet explorer? | 18 |
| Internet fads | 13 |
| Internet failure, punnily | 25 |
| Internet file-sharing service | 29 |
| Internet forum annoyance | 24 |
| Internet forum icons | 20 |
| Internet forum menace | 21 |
| Internet forum messages | 23 |
| Internet forum rabble-rouser | 28 |
| Internet forum troublemaker | 27 |
| Internet game site | 18 |
| Internet gamer's complaint | 30 |
| Internet gateways | 17 |
| Internet giant | 14 |
| Internet giant that owns MapQuest | 33 |
| Internet giant that purchased Flickr in 2005 | 44 |
| Internet giant that recently fought Microsoft's hostile takeover attempt | 76 |
| Internet giant with an exclamation point in its name | 52 |
| Internet giant, briefly | 23 |
| Internet giant, for short | 25 |
| Internet giggle | 15 |
| Internet graphics | 17 |
| Internet guffaw | 15 |
| Internet guru | 13 |
| Internet Hall of Famer Swartz | 29 |
| Internet hangouts | 17 |
| Internet hookup letters | 23 |
| Internet hookup, for many | 25 |
| Internet hookup, often | 22 |
| Internet hookups? | 17 |
| Internet icon | 13 |
| Internet ID | 11 |
| Internet identifiers, briefly | 29 |
| Internet illustrations | 22 |
| Internet incarnation | 20 |
| Internet industry catchphrase | 29 |
| Internet info source | 20 |
| Internet info sources | 21 |
| Internet initialism | 19 |
| Internet initials | 17 |
| Internet interaction | 20 |
| Internet interjection found in two theme answers | 48 |
| Internet inventor Vint Cerf's alma mater: Abbr. | 51 |
| Internet journal | 16 |
| Internet league | 15 |
| Internet letters | 16 |
| Internet letters since 1990 | 27 |
| Internet letters, and a hint to this puzzle's theme | 55 |
| Internet list founder Newmark | 29 |
| Internet loc. | 13 |
| Internet locales | 16 |
| Internet location | 17 |
| Internet locations | 18 |
| Internet mag. | 13 |
| Internet market | 15 |