diff --git a/03_GettingData/02_03_readingFromTheWeb/index.Rmd b/03_GettingData/02_03_readingFromTheWeb/index.Rmd
index aa76e2c..4af7924 100644
--- a/03_GettingData/02_03_readingFromTheWeb/index.Rmd
+++ b/03_GettingData/02_03_readingFromTheWeb/index.Rmd
@@ -75,7 +75,7 @@ url <- "http://scholar.google.com/citations?user=HI-I6C0AAAAJ&hl=en"
 html <- htmlTreeParse(url, useInternalNodes=T)
 
 xpathSApply(html, "//title", xmlValue)
-xpathSApply(html, "//td[@id='col-citedby']", xmlValue)
+xpathSApply(html, "//td[@class='gsc_a_c']", xmlValue)
 ```
 
 ---
diff --git a/03_GettingData/02_03_readingFromTheWeb/index.md b/03_GettingData/02_03_readingFromTheWeb/index.md
index 8696029..25d4c34 100644
--- a/03_GettingData/02_03_readingFromTheWeb/index.md
+++ b/03_GettingData/02_03_readingFromTheWeb/index.md
@@ -76,13 +76,13 @@ xpathSApply(html, "//title", xmlValue)
 ```
 
 ```r
-xpathSApply(html, "//td[@id='col-citedby']", xmlValue)
+xpathSApply(html, "//td[@class='gsc_a_c']", xmlValue)
 ```
 
 ```
- [1] "Cited by" "397"      "259"      "237"      "172"      "138"      "125"      "122"     
- [9] "109"      "101"      "34"       "26"       "26"       "24"       "19"       "13"      
-[17] "12"       "10"       "10"       "7"        "6"       
+ [1] "434" "346" "335" "188" "185" "183" "155" "133"
+ [9] "130" "61"  "58"  "57"  "48"  "31"  "19" "19"
+[17] "18"  "17"  "13"  "12*"
 ```
 
 
diff --git a/03_GettingData/02_04_readingFromAPIs/index.Rmd b/03_GettingData/02_04_readingFromAPIs/index.Rmd
index 9cd5c5a..65f293e 100644
--- a/03_GettingData/02_04_readingFromAPIs/index.Rmd
+++ b/03_GettingData/02_04_readingFromAPIs/index.Rmd
@@ -83,7 +83,7 @@ homeTL = GET("https://api.twitter.com/1.1/statuses/home_timeline.json", sig)
 
 ```{r eval=FALSE}
 json1 = content(homeTL)
-json2 = jsonlite::fromJSON(toJSON(json1))
+json2 = jsonlite::fromJSON(jsonlite::toJSON(json1))
 json2[1,1:4]
 ```
 
diff --git a/03_GettingData/02_04_readingFromAPIs/index.md b/03_GettingData/02_04_readingFromAPIs/index.md
index e0fc8a0..bd13883 100644
--- a/03_GettingData/02_04_readingFromAPIs/index.md
+++ b/03_GettingData/02_04_readingFromAPIs/index.md
@@ -73,7 +73,7 @@ homeTL = GET("https://api.twitter.com/1.1/statuses/home_timeline.json", sig)
 
 ```r
 json1 = content(homeTL)
-json2 = jsonlite::fromJSON(toJSON(json1))
+json2 = jsonlite::fromJSON(jsonlite::toJSON(json1))
 json2[1,1:4]
 ```